5999-01-513-5977

Find complete technical information, availability, and procurement data for: 5999-01-513-5977
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-513-5977

Item Name Code

20281

Assigment Date

09/30/2003 (22 years ago)

An item made of soft material(s) designed to fit on an earphone shell of an electrical headset or on the muff of a hearing protector by a positive means of attachment, such as an elastic band or a clamp ring. Its purpose is to prevent external noises from reaching the ears of the user and to lessen physical discomfort occasioned by continuous use.

0.906 inches nominal center to center distance between bolt holes along width, 0.875 inches nominal aperture diameter, 1.125 inches nominal overall width, 1.125 inches nominal overall length, 0.130 inches nominal hole diameter

Product Characteristics

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

Hole Diameter: 0.130 inches nominal
Overall Length: 1.125 inches nominal
Overall Width: 1.125 inches nominal
Aperture Diameter: 0.875 inches nominal
Center To Center Distance Between Bolt Holes Along Width: 0.906 inches nominal
Center To Center Distance Between Bolt Holes Along Length: 0.906 inches nominal
Bolt Hole Quantity: 4
Material: aluminum alloy 5056 and rubber silicone class q environmental seal
Material Document And Classification: ams4182 assn std 1st material response and zz-4-765, cl2b, gr50 fed spec 2nd material response overall
Style Designator: non-circular

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
8516-0121-23	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-513-5977?

The FSCG of the NSN 5999-01-513-5977 is 5999

Does the NSN 5999-01-513-5977 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-513-5977 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 5999-01-513-5977 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-513-5977 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5999-01-513-5977 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Tue, Sep 30, 2003