The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-332-4385, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Valley-Todeco, Inc. Dba Arconic Fastening Systems (CAGE 06710); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (CAGE 57928); Reid Products Inc. Dba Reid Products Inc (CAGE 59563) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-332-4385 |
| Primary Part Number | STSBG001A04U021 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 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 |
|---|---|
| STSBG001A04U021 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| STSBG001A04U021 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| STSBG001A04U021 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| STSBG001A04U021 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 11701A04U021 | Reid Products Inc. Dba Reid Products Inc (USA) |
| STSBG001A04U021 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| STSBG001A04U021 | 5/2 Secondary reference U.S. Government activity |
| STSBG001A04U021 | 3/2 Design control — primary reference U.S. Government activity |
| 68485-4A021 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS2979A04U021 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| AIC2264A04U021 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| VAL23602-4D021 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| BM3210-4A021 | 5/9 Secondary reference U.S. Government activity |
| BM3210-4A021 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS2979A04U021 | 5/9 Secondary reference U.S. Government activity |
| PBF1042A4U021 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
NSN 5306-01-332-4385 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-332-4385 has 6 manufacturer part numbers on file: STSBG001A04U021 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), STSBG001A04U021 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), STSBG001A04U021 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), STSBG001A04U021 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), 11701A04U021 (Reid Products Inc. Dba Reid Products Inc) and 1 more.
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.