NSN 231-4

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.

5310-01-359-6090, recessed washer.

NSN 5310-01-359-6090 Datasheet

(NSN) National Stock Number

5310-01-359-6090

(FSG) Federal Supply Group

53 - Hardware and Abrasives

(FSC) Federal Supply Classification

5310 - Nuts and Washers

(NIIN) National Item Identification Number

01-359-6090

Requires Demilitarization

Yes

(INC) Item Name Code

15933

Date

Wed, Jun 10, 1992

Identification

Demilitarization Code

A - 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.

Precious Metals Indicator

U - Precious metal content is unknown

Hazardous Metals Indicator

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0015933

Cross Reference

CAGE Codes

32087

Cordell Engineering Inc

U.s./canadian manufacturers

Freight Information

Questions & Answers

1. What is the FSCG of the NSN 5310-01-359-6090?

   The FSCG of the NSN 5310-01-359-6090 is 5310

2. Does NSN 5310-01-359-6090 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.

3. Does NSN 5310-01-359-6090 contain precious materials?

   Precious metal content is unknown

4. Does NSN 5310-01-359-6090 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.

5. When the NSN 5310-01-359-6090 was assigned to the Federal Catalog?

   It was assigned 34 years ago, on Wed, Jun 10, 1992