The Washer,flat, cataloged under National Stock Number 5310-00-463-0268, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-463-0268 |
| Primary Part Number | 5310615 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-777 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Thickness | 0.031 INCHES MINIMUM AND 0.092 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 |
| Part Number | Manufacturer |
|---|---|
| 5310615 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 5310615 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 5310615 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5310615 | 5/1 Secondary reference Oshkosh Defense Llc |
| 5310004630268 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5310PL0726033 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5310615 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-00-463-0268 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-463-0268 has 3 manufacturer part numbers on file: 5310615 (U S Army Tank Automotive Command Amsta-Im-Mm), 5310615 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 5310615 (Amz Alabama Inc.).
Key specifications for 5310615: Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-777 FED SPEC 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.