The Washer,flat, cataloged under National Stock Number 5310-01-171-8036, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-171-8036 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Surface Treatment Document and Classification | SP-151 FSCM 66503 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.200 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5516 ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 302 OR STEEL COMP 304 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.125 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Thickness | 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 513186 | 3/9 Design control — primary reference Cooper Industries Inc Dba Cooper Tools |
NSN 5310-01-171-8036 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5935-01-331-4409. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-171-8036: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Surface Treatment Document and Classification: SP-151 FSCM 66503 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.200 INCHES NOMINAL IN; Material Document and Classification: AMS 5516 ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.