2907757-40

View detailed technical data, stock status, and sourcing information for: 2907757-40
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-471-8953

Item Name Code

20281

Assigment Date

03/09/1972 (54 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

0.172 inches nominal hole diameter, 0.875 inches nominal aperture diameter, 1.188 inches nominal overall width, metal and synthetic rubber cross-sectional shape style, 1.188 inches nominal overall length

Product Characteristics

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

Cross-Sectional Shape Style: metal and synthetic rubber
Hole Diameter: 0.172 inches nominal
Overall Length: 1.188 inches nominal
Overall Width: 1.188 inches nominal
Aperture Diameter: 0.875 inches nominal
Outside Corner Radius: 0.125 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
Outside Edge To Bolt Hole Center Distance Along Width: 0.141 inches nominal
Outside Edge To Bolt Hole Center Distance Along Length: 0.141 inches nominal
Cross-Sectional Thickness: 0.030 inches nominal
Bolt Hole Quantity: 4
Environmental Protection Material Location: throughout rf shielding gasket
Material: nickel alloy r-405 emi/rfi conductor
Material: rubber silicone class q environmental seal
Material Document And Classification: mil-r-5847,class 2,grade 50 mil spec single material response environmental seal
Material Document And Classification: qq-n-281-b fed spec single material response emi/rfi conductor
Style Designator: non-circular

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5999-00-005-9009	No Name Available	08/01/1977
5999-01-138-2203	No Name Available	02/01/1989

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
08-0301-0065	Electronic Shielding Gasket
08-0301-3065	Electronic Shielding Gasket
10273834-5	Electronic Shielding Gasket
10280876-1	Electronic Shielding Gasket
13219E9584-3	Electronic Shielding Gasket
2907757-40	Electronic Shielding Gasket
45-61423	Electronic Shielding Gasket
551372-4	Electronic Shielding Gasket
6099052-1	Electronic Shielding Gasket
83-065	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-00-471-8953?

The FSCG of the NSN 5999-00-471-8953 is 5999

Does the NSN 5999-00-471-8953 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-00-471-8953 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 5999-00-471-8953 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-00-471-8953 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 5999-00-471-8953 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Thu, Mar 9, 1972