The Nut,stamped, cataloged under National Stock Number 5310-00-489-5661, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-489-5661 |
| Item Name | Nut,stamped |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.600 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Gripping Notch Quantity | 9 |
| Mating Member Diameter Accommodated | 0.438 INCHES NOMINAL IN |
| Nut Height | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | STAMPED |
| Material | STEEL COMP 1551 OR STEEL COMP 1561 OR STEEL COMP 1566 OVERALL |
| 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 |
|---|---|
| 356-720 | 5/9 Secondary reference U.S. Government activity |
| MS27151-21 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-00-489-5661 is a Nut,stamped, classified under FSC 5310, Nuts and Washers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5930-00-539-7129, 8145-01-526-8917. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-489-5661: Width Across Flats: 0.600 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Gripping Notch Quantity: 9. 9 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.