The Washer,flat, cataloged under National Stock Number 5310-01-691-2853, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Haulmark Trailers (australia) Pty Ltd. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-691-2853 |
| Primary Part Number | HWZSM9224440-01 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Haulmark Trailers (australia) Pty Ltd |
| Status | ACTIVE |
| Overall Diameter | 42.4 MILLIMETERS MINIMUM AND 44.0 MILLIMETERS MAXIMUM MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 24.0 MILLIMETERS MINIMUM AND 24.5 MILLIMETERS MAXIMUM MM |
| Thickness | 3.4 MILLIMETERS MINIMUM AND 4.6 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| HWZSM9224440-01 | Haulmark Trailers (australia) Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| ASTM F436M-TY1 M22 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-691-2853 is a Washer,flat, manufactured by Haulmark Trailers (australia) Pty Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-691-2853 has 1 manufacturer part number on file: HWZSM9224440-01 (Haulmark Trailers (australia) Pty Ltd).
Key specifications for HWZSM9224440-01: Overall Diameter: 42.4 MILLIMETERS MINIMUM AND 44.0 MILLIMETERS MAXIMUM MM; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: HARDENED STEEL WASHER. 7 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.