The Washer,flat, cataloged under National Stock Number 5310-00-736-1819, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mack Trucks Inc Parts Opn. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-736-1819 |
| Primary Part Number | 37AX256 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mack Trucks Inc Parts Opn |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 1 CL C FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TY 1 CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-698 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 | 0.469 INCHES NOMINAL IN |
| Thickness | 0.125 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 |
|---|---|
| 37AX256 PRIMARY | Mack Trucks Inc Parts Opn (USA) |
| 20704755 | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS) |
| 7361819 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 20704755 | 5/2 Secondary reference U.S. Government activity |
| 37AX256 | 5/9 Secondary reference Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales |
NSN 5310-00-736-1819 is a Washer,flat, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-736-1819 has 3 manufacturer part numbers on file: 37AX256 (Mack Trucks Inc Parts Opn), 20704755 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales), 7361819 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 37AX256: Surface Treatment Document and Classification: QQ-P-416 TY 1 CL C FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TY 1 CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Overall Diameter: 0.875 INCHES NOMINAL IN; Material Document and Classification: QQ-S-698 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.