The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-321-9661, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,self-Locking,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (CAGE 1W025); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Es3 Prime Logistics Group Inc Dba Es3 Plg (CAGE 4JZH8); Howmet Global Fastening Systems Inc (CAGE 15653); Bristol Industries, Llc (CAGE 27238) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-321-9661 |
| Primary Part Number | 03A101-10L |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| 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 |
|---|---|
| 03A101-10L PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 83674-10L | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 03A101-10L | Es3 Prime Logistics Group Inc Dba Es3 Plg (USA) |
| VN3402YL108 | Howmet Global Fastening Systems Inc (USA) |
| BH101-10L | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| VN3402YL108 | 5/9 Secondary reference U.S. Government activity |
| VN3402YL108 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
NSN 5310-01-321-9661 is a Nut,self-Locking,hexagon, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-321-9661 has 5 manufacturer part numbers on file: 03A101-10L (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 83674-10L (Sps Technologies, Llc Dba PB Fasteners), 03A101-10L (Es3 Prime Logistics Group Inc Dba Es3 Plg), VN3402YL108 (Howmet Global Fastening Systems Inc), BH101-10L (Bristol Industries, Llc).
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.