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5310-01-181-2502

Find complete technical information, availability, and procurement data for: 5310-01-181-2502

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5310-01-181-2502
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-181-2502
Item Name Code
13393
Assigment Date
06/08/1984 (42 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.

2.250 inches nominal overall diameter, round peripheral shape style, 1.125 inches nominal hole diameter, nickel alloy 400 overall material, round center hole shape style

Product Characteristics

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

Hole Diameter
1.125 inches nominal
Peripheral Shape Style
round
Center Hole Shape Style
round
Overall Diameter
2.250 inches nominal
Material
nickel alloy 400 overall
Material Document And Classification
qq-n-281,cl a fed spec single material response overall

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
11FM1NM Flat Washer
11FM1NM2.250OD/1.125ID Flat Washer
99K4B-V PIECE 9A Flat Washer
CP8179AC Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-181-2502?
The FSCG of the NSN 5310-01-181-2502 is 5310
Does the NSN 5310-01-181-2502 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5310-01-181-2502 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 5310-01-181-2502 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-181-2502 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 5310-01-181-2502 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Fri, Jun 8, 1984

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