The Nut,sleeve, cataloged under National Stock Number 5310-00-261-4121, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-261-4121 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Flange Diameter | 0.589 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN |
| Nut Length | 0.233 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.124 INCHES NOMINAL IN |
| Thread Series | UNS |
| Material Document and Classification | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.090 INCHES NOMINAL FLANGE IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.469 INCHES IN |
| Nut Diameter | 0.529 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Cross-Sectional Shape | ROUND W/WRENCH FLATS NUT |
| Cross-Sectional Shape | ROUND FLANGE |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 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 |
|---|---|
| 7601827 | 5/2 Secondary reference U.S. Government activity |
| 7601827 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-261-4121 is a Nut,sleeve, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-261-4121: Flange Diameter: 0.589 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN; Nut Length: 0.233 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.124 INCHES NOMINAL IN. 17 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.