The Washer,flat, cataloged under National Stock Number 5310-00-655-9935, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5310-00-655-9935 |
| Primary Part Number | 9017684 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Width Across Flats | 2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM IN |
| Length | 2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL B FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-S-741 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Peripheral Shape Style | RECTANGULAR |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.031 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN |
| Thickness | 0.469 INCHES MINIMUM AND 0.531 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 |
| Part Number | Manufacturer |
|---|---|
| 9017684 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5310-00-655-9935 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-655-9935 has 1 manufacturer part number on file: 9017684 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-329-8301. Verify interchangeability with system specifications before substitution.
Key specifications for 9017684: Width Across Flats: 2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM IN; Length: 2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL B FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-S-741 FED SPEC SINGLE 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.