The Washer,shouldered, cataloged under National Stock Number 5310-01-043-8080, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-043-8080 |
| Primary Part Number | 7903387-03 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-V-173 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Height | 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | MIL-F-1148 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Material Thickness | 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Surface Treatment | VARNISH OVERALL |
| Material | CELLULOSE OVERALL |
| Hole Diameter | 0.135 INCHES MINIMUM AND 0.145 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 |
|---|---|
| 7903387-03 | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA) |
| Reference | Meaning |
|---|---|
| 7903387-03 | 5/9 Secondary reference U.S. Government activity |
| 903387-09 | 5/9 Secondary reference U.S. Government activity |
| 5604-46 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-043-8080 is a Washer,shouldered, manufactured by L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-043-8080 has 1 manufacturer part number on file: 7903387-03 (L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West).
Key specifications for 7903387-03: Surface Treatment Document and Classification: MIL-V-173 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Height: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Material Document and Classification: MIL-F-1148 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.