The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-331-9330, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Bristol Industries, Llc (CAGE 27238); Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (CAGE 1W025) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-331-9330 |
| Primary Part Number | 73783CM-1612 |
| Item Name | Nut,self-Locking,hexagon |
| 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) |
| Part Number | Manufacturer |
|---|---|
| 73783CM-1612 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BH187-16 | Bristol Industries, Llc (USA) |
| 03A187-16L | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
NSN 5310-01-331-9330 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-331-9330 has 3 manufacturer part numbers on file: 73783CM-1612 (Sps Technologies, Llc Dba PB Fasteners), BH187-16 (Bristol Industries, Llc), 03A187-16L (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
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.