The Washer,flat, cataloged under National Stock Number 5310-01-488-2202, 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10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-488-2202 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS2488, TYPE 2, COLOR BLUE-VIOLET ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 1.307 INCHES MINIMUM AND 1.332 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-T-9046, CLASS AB-1 MIL SPEC 1ST MATERIAL RESPONSE OR AMS4911 ASSN STD 2ND MATERIAL RESPONSE OR AMS4928 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN |
| Thickness | 0.014 INCHES MINIMUM AND 0.018 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 |
|---|---|
| NAS1149V1216M | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-488-2202 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-488-2202: Surface Treatment Document and Classification: AMS2488, TYPE 2, COLOR BLUE-VIOLET ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.307 INCHES MINIMUM AND 1.332 INCHES MAXIMUM IN; Material Document and Classification: MIL-T-9046, CLASS AB-1 MIL SPEC 1ST MATERIAL RESPONSE OR AMS4911 ASSN STD 2ND MATERIAL RESPONSE OR AMS4928 ASSN STD 2ND 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.