The Washer,flat, cataloged under National Stock Number 5310-01-067-3129, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-067-3129 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES TOP |
| Overall Diameter | 2.000 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-281,CL A,FORM 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | NICKEL ALLOY A OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.688 INCHES NOMINAL IN |
| Thickness | 0.138 INCHES MINIMUM AND 0.142 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 |
|---|---|
| 2641-809-40 ITEM 25 | 3/2 Design control — primary reference U.S. Government activity |
| 2641-405-11 ITEM 26 | 5/2 Secondary reference U.S. Government activity |
| 11-97-2202 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-067-3129 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-067-3129: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Overall Diameter: 2.000 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN; Material Document and Classification: QQ-N-281,CL A,FORM 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 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.