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This page is intended for anyone that is associated with NEDC, whether it be a customer or a supplier. If you have any additional questions that are not answered below, feel free to fill in our contact form or send us an email.
When was NEDC founded?
NEDC was founded in 1982 in Haverhill, Massachusetts. Over the past 30 years, NEDC has evolved and grown to include numerous capabilities including (but not limited to): waterjet cutting, kiss-cutting, die-cutting, and laser-cutting. NEDC is now certified to the MIL-DTL-83528F by the Defense Logistics Agency. With the additional capabilities that NEDC has acquired, it is now a global provider of gaskets, preforms, absorbers, thermal pads, and EMI/RFI gaskets.
What can I expect for NRSUs (Non-Recurring Set Up Charges)?
Complexity is a major contributor to the determination of whether or not an NRSU will be required. For example, if the part has many tight radii and has tighter tolerances than normal. When the part must be molded or there are high quantities, this is a good indicator that an NRSU may be needed.
What kind of quality standard can I expect with NEDC?
- NEDC is ISO 9001:2008 certified
- NEDC has many credentials that speak to its credibility and expectations of quality.
- NEDC has 30 years of experience in the rubber industry.
- NEDC has many customers that work for the government, making products that are used in the aerospace and military industries.
With all of the experience NEDC has in the aerospace and military industry, NEDC is acclimatized to the stringent quality standards that the aerospace, and military industry expects, including FAI’s, Raw Material Certifications, Certificates of Analysis and other quality requirements.
What kind of materials does NEDC work with?
NEDC works with a variety of materials, including: Neoprene®, silicone, fluorosilicone, Buna-N or nitrile rubber, sponge rubbers, foam rubbers, conductive rubbers (MIL-DTL-83528F), preforms, thermal pads, and absorbers. NEDC also converts 3M adhesives and laminates the materials mentioned above.
Does NEDC have its own waterjet?
The answer to that question is yes. NEDC owns and maintains its own waterjet. This waterjet gives NEDC the capability to cut various materials while maintaining the tight precision standards that is necessary in a marketplace oriented with the military and aerospace industries.
Does NEDC do business with any industry other than the military and aerospace industry?
Yes, NEDC does business with all industries including medical, commercial, and automotive, but has a lot of experience with the military and aerospace industry.
Will NEDC be able to handle my stringent quality requirements?
NEDC is acclimatized to the quality requirements expected in all industries and manufactures material and gaskets with a commitment and dedication to the highest quality standard. NEDC knows the MIL-STD-130, SAE ARP-5316, MIL-HDBK-695E, and MIL-HDBK-454 by name, and is extremely familiar with these as well as other quality specifications and procedures. NEDC handles a lot of quality requirements, ranging from 85% shelf life to 100% visual inspection of an entire lot.
What is converting?
Converting is a loose term used to describe when raw materials are fabricated into finished parts. Finished parts can be defined as nearly anything that serves a practical purpose, such as sealing, insulating, protecting, and conducting.
NEDC converts many different types of materials including sponges, foams, tapes, liners, papers, solid rubbers, films and others. NEDC converts these materials through waterjet cutting, kiss cutting, die-cutting, laser-cutting, slitting, fabricating, and other methods. NEDC converts the following materials, once again this list is not exhaustive:
Sponge Rubber
- Viton® Sponge
- Neoprene® Sponge
- Silicone Sponge
- Epichlorohydrin Sponge
- EPDM Sponge
- Fluorosilicone Sponge
- Specification Sponge, such as ASTM D1056, ASTM D6576, and AMS 3323A
Foam Rubber
- Poron® a Rogers Corporation product
- HT800® a Rogers Corporation product
- Crosslinked Polyethylene
Solid Rubber
- Neoprene®
- Epichlorohydrin
- Fluorosilicone
- Silicone
- Viton®
- EPDM
- Butyl Rubber
- Thermal Materials such as Bergquist Pads
- Electrically Conductive Elastomers such as M83528 materials
- Styrene Butadiene Rubber(SBR)
- Military Specifications Solid Rubber such as MIL-PRF-6855, AMS-R-25988, or A-A-59588
Thin Materials
- Kapton®
- ETFE
- PTFE
- Fluoropolymer films
- Mylar® Films
- Nomex® Aramid Papers such as Nomex 410
Most of the above materials can be supplied with a diverse range of 3M adhesive tapes, including but not limited to: Electrically Conductive Adhesive Tape 9719 (silicone), 9713 (acrylic), Non-Electrically conductive tapes such as 9472, 467MP, and 9472LE.
Will I have to check up on my order, or will NEDC notify me if it's late?
We here at NEDC have a saying “Bad news doesn’t get better with time.” We think it is extremely important to notify our customer when their order will be late, and we don’t notify them after its due or the day it’s due. After 30 years in the gasket industry, NEDC realizes the importance of notification to ensure our customer can plan for their production schedules.
Does NEDC have a line card so I don't have to read through the entire website?
Sure! NEDC manufactures:
- Electrically Conductive Gaskets
- Non-Electrically Conductive Gaskets
- Rubber Gaskets
- Bonded O-Rings
- Molded O-Rings
- Connector Gaskets
Custom Die-Cuts including:
- Adhesive Backed Die Cuts
- Fabricated Die Cuts
Custom Waterjet Cuts including:
- Fabricated Waterjet Cuts
- Adhesive-Backed Die Cuts
Fabrication including:
- O-ring Fabrication
- Assemblies
- Cover assembly
- Part assembly
NEDC does all this while providing unprecedented customer service. For more information, please contact sales@nedc.com.
When can I expect to get my RFQ (Request for Quotation) back if I send it to NEDC?
This question depends on the complexity of the part, but generally NEDC should be able to provide a quotation within 24-48 hours. NEDC has a goal of 24 hours for every quote that comes in the door. The best place to send your RFQ is sales@nedc.com. This way the quote will go directly to the team that will help you.
Is there a guide to reading what my M83528 callout means? Of course! A guide is provided here.
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The MIL-DTL-83528 callouts are not nearly as hard to make coherent sense of as the ASTM D2000 callouts. In any case, a brief guide has been presented here for reading a M83528 Callout.
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- Read what comes after the typical M83528/… There is another number coming; this number may range from 1 to 14. The number may be M83528/001, M83528/002, M83528/003 etc. the list below offers what it indicates:
M83528/001 CIRCULAR STRIP
M83528/002 O-RING
M83528/003 SOLID D-STRIP
M83528/004 CONNECTOR GASKET
M83528/005 O-RING
M83528/006 RECTANGULAR GASKET, SOLID D PROFILE
M83528/007 HOLLOW D-STRIP
M83528/008 HOLLOW P-STRIP
M83528/009 RECTANGULAR STRIP
M83528/010 CHANNEL STRIP OR U-PROFILE
M83528/011 HOLLOW O-STRIP
M83528/012 CIRCULAR WASHER
M83528/013 WAVEGUIDE
M83528/014 GASKET
It is best to refer to the specific document.
- Identify the material type. Inside the MIL-DTL-83528 specification there are several material types: A, B, C, D, E, F, G, H, J, K, L, and M. The next piece exists here, for example M83528/001D, M83528/002B, M83528/005M, etc. The list below indicates what each material is.
A SILVER PLATED COPPER, ELECTRICALLY CONDUCTIVE SILICONE
B SILVER PLATED ALUMINUM, ELECTRICALLY CONDUCTIVE SILICONE
C SILVER PLATED COPPER, ELECTRICALLY CONDUCTIVE FLUOROSILICONE
D SILVER PLATED ALUMINUM, ELECTRICALLY CONDUCTIVE FLUOROSILICONE
E SILVER FILLED, ELECTRICALLY CONDUCTIVE SILICONE
F SILVER FILLED, ELECTRICALLY CONDUCTIVE FLUOROSILICONE
G SILVER PLATED COPPER WITH COPPER FOIL, ELECTRICALLY CONDUCTIVE SILICONE
H SILVER FILLED, ELECTRICALLY CONDUCTIVE SILICONE, HIGH DUROMETER
J SILVER FILLED, ELECTRICALLY CONDUCTIVE SILICONE, LOW DUROMETER
K SILVER PLATED COPPER, ELECTRICALLY CONDUCTIVE SILICONE, HIGH DUROMETER
L SILVER PLATED NICKEL, ELECTRICALLY CONDUCTIVE SILICONE
M SILVER PLATED GLASS, ELECTRICALLY CONDUCTIVE SILICONE
- Read the rest of the callout. The remaining numbers indicate the size or shape of the gasket. It is best to refer to the specific document in these cases.
This is simply a shorthand guide for reading the callout and it should not be used for design purposes.
It may be helpful to offer a few examples:
- M83528/004D010 – This means it is a connector gasket (004), D is the material type per the MIL-DTL-83528, and 010 offers the dimensions of the gasket on the specification.
- M83528/001A007 – This means it is a solid O-strip (001), A is the material type per the MIL-DTL-83528, and 007 offers a dimension of .103” for the cross section. The length of this specific extrusion is to be provided on the purchase order.
- M83528/012M008, This means it is a washer (012), M is the material type per the MIL-DTL-83528, and 008 offers dimensions provided on the specification.
Hopefully this guide has proved useful. If you have any questions about procuring MIL-DTL-83528 formally MIL-G-83528 materials, feel free to contact sales@nedc.com.
What is a CAGE code and does NEDC have one?
CAGE stands for Commercial and Government Entity. A CAGE code is individually distributed to suppliers of the DoD (Department of Defense). Yes, NEDC does have a cage code — it’s 1FY32.
All of the information presented above is believed to be factual and accurate; however, NEDC is not liable for any design or application utilizing this information.
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