5325-01-277-8840

Find complete technical information, availability, and procurement data for: 5325-01-277-8840
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-01-277-8840

Item Name Code

11444

Assigment Date

04/28/1988 (38 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.

0.1865 in. min,0.1870 in. max dia insert size, 0.290 inches nominal length, 2b thread class, 0.045 inches nominal flange thickness, 0.250 inches nominal flange diameter

Product Characteristics

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

Thread Class: 2b
Flange Diameter: 0.250 inches nominal
Flange Thickness: 0.045 inches nominal
Length: 0.290 inches nominal
Insert Size: 0.1865 in. min,0.1870 in. max dia
Thread Quantity Per Inch: 56
Nominal Thread Size: 0.086 inches
Special Features: lange chamfered 0.015 in. by 45.0 deg
Material: steel comp 303 overall
Material Document And Classification: ams 5640 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: flange
Thread Series Designator: unc

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
277931	Screw Thread Insert

FAQs

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

What is the FSCG of the NSN 5325-01-277-8840?

The FSCG of the NSN 5325-01-277-8840 is 5325

Does the NSN 5325-01-277-8840 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-01-277-8840 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 5325-01-277-8840 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-01-277-8840 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 5325-01-277-8840 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Apr 28, 1988