The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-348-3462, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Hi-Shear Corporation (CAGE 73197); Howmet Global Fastening Systems Inc (CAGE 06950); Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (CAGE 1W025); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-348-3462 |
| Primary Part Number | HR240-3-3A |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| 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 |
|---|---|
| HR240-3-3A PRIMARY | Hi-Shear Corporation (USA) |
| SC3102-3-3A | Howmet Global Fastening Systems Inc (USA) |
| 03A174-3-3A | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| AIC1652-3-3A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HR240-3-3A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| T009-3-3A | Huck International, Inc (USA) |
| SLB146-3-3A | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| PBF1417-3-3A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 123743-3-3A | 5/2 Secondary reference U.S. Government activity |
| T009-3-3A | 3/9 Design control — primary reference U.S. Government activity |
| SC3102-3-3A | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-01-348-3462 is a Bolt,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-348-3462 has 8 manufacturer part numbers on file: HR240-3-3A (Hi-Shear Corporation), SC3102-3-3A (Howmet Global Fastening Systems Inc), 03A174-3-3A (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), AIC1652-3-3A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HR240-3-3A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 3 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.