The Washer,flat, cataloged under National Stock Number 5310-00-382-5906, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-382-5906 |
| Primary Part Number | 655087 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Outside Left Corner Chamfer Angle | 0.031 DEGREES NOMINAL |
| Surface Treatment Document and Classification | 57-0-2 TY 3,CL A,GR 1,FSCM 56232 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-671 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Color | RED AND ORANGE OVERALL |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1212 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.1406 INCHES NOMINAL IN |
| Thickness | 0.062 INCHES NOMINAL 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 |
|---|---|
| 655087 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 265554 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5310-00-382-5906 is a Washer,flat, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-382-5906 has 1 manufacturer part number on file: 655087 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 655087: Outside Left Corner Chamfer Angle: 0.031 DEGREES NOMINAL; Surface Treatment Document and Classification: 57-0-2 TY 3,CL A,GR 1,FSCM 56232 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.625 INCHES NOMINAL IN; Material Document and Classification: QQ-S-671 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 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.