The Washer,spring Tension, cataloged under National Stock Number 5310-01-028-2489, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-028-2489 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-46049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.432 INCHES MINIMUM AND 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM0.442 INCHES MAXIMUM IN |
| Material Thickness | 0.010 INCHES NOMINAL0.010 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.324 INCHES MINIMUM AND 0.324 INCHES MINIMUM AND 0.328 INCHES MAXIMUM0.328 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 |
| Reference | Meaning |
|---|---|
| 1085761-1 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 2105694-1 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 3W150 | 3/9 Design control — primary reference Garrett George K Co Div Msl Industries Inc |
NSN 5310-01-028-2489 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-028-2489: Overall Height: 0.036 INCHES MINIMUM AND 0.036 INCHES MINIMUM AND 0.056 INCHES MAXIMUM0.056 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: MIL-S-46049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.432 INCHES MINIMUM AND 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM0.442 INCHES MAXIMUM IN. 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.