The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-219-5955, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); General Electric Company (CAGE 07482); Howmet Global Fastening Systems Inc (CAGE 15653) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-219-5955 |
| Primary Part Number | 73783CM-720 |
| Item Name | Nut,self-Locking,extended Washer |
| 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 |
|---|---|
| 73783CM-720 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 9131M74P25 | General Electric Company (USA) |
| H49403-7 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BH187-7 | 5/9 Secondary reference Bristol Industries, Llc |
| SMTE9925-7 | 5/9 Secondary reference Harvard Industries Inc |
| 9131M74P15 | 5/9 Secondary reference General Electric Company |
| 03A187-7L | 5/9 Secondary reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| 9131M74P05 | 5/9 Secondary reference General Electric Company |
NSN 5310-01-219-5955 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-219-5955 has 3 manufacturer part numbers on file: 73783CM-720 (Sps Technologies, Llc Dba PB Fasteners), 9131M74P25 (General Electric Company), H49403-7 (Howmet Global Fastening Systems Inc).
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.