298951PC1

View detailed technical data, stock status, and sourcing information for: 298951PC1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-157-7489

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

6.750 inches nominal outside diameter, 0.505 inches minimum and 0.545 inches maximum aperture diameter, 0.438 inches nominal hole diameter, solid single or composition cross-sectional shape style, 6.000 inches nominal bolt circle diameter

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: solid single or composition
Hole Diameter: 0.438 inches nominal
Bolt Circle Diameter: 6.000 inches nominal
Outside Diameter: 6.750 inches nominal
Aperture Diameter: 0.505 inches minimum and 0.545 inches maximum
Gasket Center To Flat Distance: 2.650 inches nominal
Cross-Sectional Thickness: 0.031 inches nominal
Bolt Hole Quantity: 6
Material: cellulose overall
Material Document And Classification: mil-p-20085 mil spec all material responses overall
Style Designator: circular with one peripheral flat

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
298951PC1	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-157-7489?

The FSCG of the NSN 5330-00-157-7489 is 5330

Does NSN 5330-00-157-7489 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 5330-00-157-7489 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-157-7489 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 5330-00-157-7489 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963