The Washer,convex, cataloged under National Stock Number 5310-01-520-3968, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-520-3968 |
| Primary Part Number | 983-6012 |
| Item Name | Washer,convex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Color | NATURAL OVERALL |
| Material | STEEL OVERALL |
| Closed Inside Diameter | 10.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-520-3968 is a Washer,convex, manufactured by Hiab Usa Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-520-3968 has 4 manufacturer part numbers on file: 9836012 (Hiab Australia Cargotec Australia Pty Ltd), 15012410 (Bae Systems Australia Limited), 983-6012 (Hiab Usa Inc), 4KK794 (Oshkosh Defense Llc).
Key specifications for 983-6012: Color: NATURAL OVERALL; End Item Identification: 2320-01-495-0110; Material: STEEL OVERALL; Closed Inside Diameter: 10.0 MILLIMETERS NOMINAL MM. 3 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.