The Washer,flat, cataloged under National Stock Number 5310-01-049-8115, 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10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-049-8115 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | G-4252M 52788 MFR REF 1ST TREATMENT RESPONSE OR G-4252M 52788 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.989 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1010 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.599 INCHES MINIMUM AND 0.604 INCHES MAXIMUM IN |
| Thickness | 0.0538 INCHES MINIMUM AND 0.0568 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 |
|---|---|
| 5685397 | 3/9 Design control — primary reference General Motors Corp Saginaw Div |
| 7810983-150 | 5/9 Secondary reference General Motors Corp Saginaw Div |
NSN 5310-01-049-8115 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-049-8115: Surface Treatment Document and Classification: G-4252M 52788 MFR REF 1ST TREATMENT RESPONSE OR G-4252M 52788 MFR REF 2ND TREATMENT RESPONSE OVERALL; Overall Diameter: 0.989 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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.