The Nut,sleeve, cataloged under National Stock Number 5310-01-335-0033, 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. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 15653); Bristol Industries, Llc (CAGE 27238); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Rolls-Royce Corporation (CAGE 63005) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-335-0033 |
| Primary Part Number | 81708-428-3 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| 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 |
|---|---|
| K51949-4-3 | Howmet Global Fastening Systems Inc (USA) |
| BN00533-4-3 | Bristol Industries, Llc (USA) |
| 81708-428-3 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 23006590-07 | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| LHL9721-8-4 | 5/9 Secondary reference Harvard Industries Inc |
| VN2800BA048-7 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-335-0033 is a Nut,sleeve, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-335-0033 has 4 manufacturer part numbers on file: K51949-4-3 (Howmet Global Fastening Systems Inc), BN00533-4-3 (Bristol Industries, Llc), 81708-428-3 (Sps Technologies, Llc Dba PB Fasteners), 23006590-07 (Rolls-Royce Corporation).
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.