5331-01-378-1774

Find complete technical information, availability, and procurement data for: 5331-01-378-1774
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-378-1774

Item Name Code

47946

Assigment Date

08/12/1993 (32 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.542 inches minimum and 0.556 inches maximum center hole diameter, 75.0 shore durometer a nominal hardness rating, 0.100 inches minimum and 0.106 inches maximum cross-sectional height, 0.755 inches nominal peripheral diameter, 125 maximum elongation percentage

Product Characteristics

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

Cross-Sectional Height: 0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter: 0.542 inches minimum and 0.556 inches maximum
Peripheral Diameter: 0.755 inches nominal
Elongation Percentage: 125 maximum
Hardness Rating: 75.0 shore durometer a nominal
Criticality Code Justification: zzzw
Material: rubber fluorocarbon class fpm
Departure From Cited Document: material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications

FAQs

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

What is the FSCG of the NSN 5331-01-378-1774?

The FSCG of the NSN 5331-01-378-1774 is 5331

Does NSN 5331-01-378-1774 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 5331-01-378-1774 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-378-1774 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 5331-01-378-1774 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, Aug 12, 1993