The Nut,sleeve, cataloged under National Stock Number 5310-00-375-8960, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-375-8960 |
| Primary Part Number | 64125-524 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Flange Width Across Flats | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Nut Length | 0.281 INCHES NOMINAL IN |
| Flange Thickness | 0.219 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Hole Configuration Style | CONFIGURATION F |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Diameter | 0.500 INCHES NOMINAL IN |
| Cross-Sectional Shape | HEXAGONAL FLANGE |
| Cross-Sectional Shape | ROUND NUT |
| Drilled Hole Diameter | 0.046 INCHES NOMINAL IN |
| Nut Style | SLEEVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Type and Quantity | 2 DRILLED |
| 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 |
|---|---|
| 64125-524 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5310-00-375-8960 is a Nut,sleeve, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-375-8960 has 1 manufacturer part number on file: 64125-524 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 64125-524: Flange Width Across Flats: 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Nut Length: 0.281 INCHES NOMINAL IN; Flange Thickness: 0.219 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 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.