The Washer,flat, cataloged under National Stock Number 5310-00-752-1235, 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 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-752-1235 |
| Primary Part Number | 7521235 |
| 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-Z-325 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-P-16232 TY M MIL SPEC 2ND TREATMENT RESPONSE OR MIL-L-3150 MIL SPEC 3RD TREATMENT RESPONSE OVERALL |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-634 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OR PHOSPHATE OR OIL OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1040 OR STEEL COMP 1045 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.016 INCHES MINIMUM AND 1.032 INCHES MAXIMUM IN |
| Thickness | 0.250 INCHES NOMINAL 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 |
|---|---|
| 7521235 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 1829M585 | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 913701 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 5310007521235 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 366B1 | 5/9 Secondary reference Diamond Reo Truck Co |
| 8351007 | C/1 Advisory reference — outside the item-of-supply concept U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-00-752-1235 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 5310-00-752-1235 has 2 manufacturer part numbers on file: 7521235 (U S Army Tank Automotive Command Amsta-Im-Mm), 1829M585 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 7521235: Surface Treatment Document and Classification: QQ-Z-325 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-P-16232 TY M MIL SPEC 2ND TREATMENT RESPONSE OR MIL-L-3150 MIL SPEC 3RD TREATMENT RESPONSE OVERALL; Overall Diameter: 2.000 INCHES NOMINAL IN; Material Document and Classification: QQ-S-634 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-634 FED SPEC 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.