The Washer,lock, cataloged under National Stock Number 5310-01-377-0890, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Scandinavian Manufacturing Scama Ab. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-377-0890 |
| Primary Part Number | 908056 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Scandinavian Manufacturing Scama Ab |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 18.1 MILLIMETERS MAXIMUM MM |
| Material Thickness | 2.2 MILLIMETERS MINIMUM AND 2.3 MILLIMETERS MAXIMUM MM |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 1050 OR STEEL COMP 1095 OVERALL |
| Hole Diameter | 10.2 MILLIMETERS MINIMUM AND 10.7 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 |
|---|---|
| 908056 | Scandinavian Manufacturing Scama Ab (SWE) |
| Reference | Meaning |
|---|---|
| D70336/1-10 | 2/2 Government specification standardization U.S. Government activity |
| DOD-W-70336/1 | 4/1 Identification reference U.S. Government activity |
NSN 5310-01-377-0890 is a Washer,lock, manufactured by Scandinavian Manufacturing Scama Ab, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-377-0890 has 1 manufacturer part number on file: 908056 (Scandinavian Manufacturing Scama Ab).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-377-7247, 5310-01-438-1223. Verify interchangeability with system specifications before substitution.
Key specifications for 908056: Surface Treatment Document and Classification: QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 18.1 MILLIMETERS MAXIMUM MM. 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.