NMC557-3A

View detailed technical data, stock status, and sourcing information for: NMC557-3A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-479-8914

Item Name Code

33729

Assigment Date

09/08/1970 (55 years ago)

0.178 inches minimum and 0.198 inches maximum hole diameter, 0.043 inches minimum and 0.048 inches maximum flange thickness, round grommet style, 0.060 inches minimum and 0.070 inches maximum groove width, 0.146 inches minimum and 0.166 inches maximum overall height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.178 inches minimum and 0.198 inches maximum
Groove Width: 0.060 inches minimum and 0.070 inches maximum
Flange Thickness: 0.043 inches minimum and 0.048 inches maximum
Overall Height: 0.146 inches minimum and 0.166 inches maximum
Grommet Style: round
Large Flange Outside Diameter: 0.302 inches minimum and 0.322 inches maximum
Groove Outside Diameter: 0.231 inches minimum and 0.251 inches maximum
Grommet Construction Type: split
Material: plastic overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
25907P01	Nonmetallic Grommet
NMC557-3A	Nonmetallic Grommet

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5325-00-479-8914?

The FSCG of the NSN 5325-00-479-8914 is 5325

Does the NSN 5325-00-479-8914 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-479-8914 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5325-00-479-8914 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-479-8914 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5325-00-479-8914 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Tue, Sep 8, 1970