The Washer,flat, cataloged under National Stock Number 5310-01-341-9470, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-341-9470 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.460 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.678 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5059,COND A THRU 1/2 HARD MIL SPEC ALL MATERIAL RESPONSES OR AMS 5639 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Peripheral Shape Style | ROUND W/FLATS |
| Test Data Document | 96906-MIL-STD-1949 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Thickness | 0.059 INCHES MINIMUM AND 0.079 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 |
|---|---|
| 746631 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-341-9470 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-341-9470: Width Across Flats: 0.460 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.678 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059,COND A THRU 1/2 HARD MIL SPEC ALL MATERIAL RESPONSES OR AMS 5639 ASSN STD 3RD 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.