The Nut,sleeve, cataloged under National Stock Number 5310-00-520-4944, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-520-4944 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Flange Width Across Flats | 0.625 INCHES NOMINAL IN |
| Nut Length | 0.750 INCHES NOMINAL IN |
| Flange Thickness | 0.120 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION A |
| Material Document and Classification | MIL-S-6050,COMP 8630 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN |
| Cross-Sectional Shape | HEXAGONAL FLANGE |
| Cross-Sectional Shape | ROUND NUT |
| Drilled Hole Diameter | 0.065 INCHES NOMINAL IN |
| Countersink Angle | 110.0 DEGREES NOMINAL NUT |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Hole Type and Quantity | 1 DRILLED |
| 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 |
|---|---|
| 205669 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-520-4944 is a Nut,sleeve, classified under FSC 5310, Nuts and Washers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-201-8627, 4730-01-619-8601. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-520-4944: Flange Width Across Flats: 0.625 INCHES NOMINAL IN; Nut Length: 0.750 INCHES NOMINAL IN; Flange Thickness: 0.120 INCHES NOMINAL IN; Thread Series: UNF. 18 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.