The Washer,flat, cataloged under National Stock Number 5310-01-280-5796, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-280-5796 |
| Primary Part Number | 920052 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Scandinavian Manufacturing Scama Ab |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.868 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A568 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN |
| Thickness | 0.051 INCHES MINIMUM AND 0.070 INCHES MAXIMUM 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 |
|---|---|
| 920052 | Scandinavian Manufacturing Scama Ab (SWE) |
| Reference | Meaning |
|---|---|
| 5310PL0792377 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MS27183-57 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-280-5796 is a Washer,flat, manufactured by Scandinavian Manufacturing Scama Ab, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-280-5796 has 1 manufacturer part number on file: 920052 (Scandinavian Manufacturing Scama Ab).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-396-7235. Verify interchangeability with system specifications before substitution.
Key specifications for 920052: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.868 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN; Material Document and Classification: ASTM A568 ASSN STD ALL MATERIAL RESPONSES 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.