The Washer,flat, cataloged under National Stock Number 5310-00-262-4712, 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 8 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-262-4712 |
| Primary Part Number | 8328009 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Overall Diameter | 1.859 INCHES MINIMUM AND 1.891 INCHES MAXIMUM IN |
| Material Document and Classification | -QQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1020 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.516 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN |
| Thickness | 0.190 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 |
|---|---|
| 1829D394 | Meritor Heavy Vehicle Systems, Llc (USA) |
| 8328009 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 427431 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| Reference | Meaning |
|---|---|
| 1829D394 | 5/9 Secondary reference Available Truck Co |
| 11A7079 | 5/9 Secondary reference U.S. Government activity |
| 505T5 | 5/9 Secondary reference Diamond Reo Truck Co |
| 19FK0513 | 5/9 Secondary reference Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) |
| 441SZ95 | 5/9 Secondary reference Mack Trucks Inc Parts Opn |
| 2161969 | 5/9 Secondary reference General Motors Corp |
| BB16259 | 5/9 Secondary reference Diamond Reo Truck Co |
| 427431 | 5/9 Secondary reference White Motor Corp |
NSN 5310-00-262-4712 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 5310-00-262-4712 has 3 manufacturer part numbers on file: 1829D394 (Meritor Heavy Vehicle Systems, Llc), 8328009 (U S Army Tank Automotive Command Amsta-Im-Mm), 427431 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)).
Key specifications for 8328009: Overall Diameter: 1.859 INCHES MINIMUM AND 1.891 INCHES MAXIMUM IN; Material Document and Classification: -QQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.