The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-346-0464, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (CAGE 16258); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (CAGE 1W025); Hi-Shear Corporation (CAGE 73197); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-346-0464 |
| Primary Part Number | HR241-3-7 |
| 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 |
|---|---|
| SLB218-3-7 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| PBF1418-3-7 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 03A160-3-7 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| HR241-3-7 PRIMARY | Hi-Shear Corporation (USA) |
| HR241-3-7 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| DF33006-3-7 | Huck International, Inc (USA) |
| VCL0007-3-7 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| SC5057-3-7 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 123740-3-7 | 5/2 Secondary reference U.S. Government activity |
| DF33006-3-7 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-346-0464 is a Bolt,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-346-0464 has 8 manufacturer part numbers on file: SLB218-3-7 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), PBF1418-3-7 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 03A160-3-7 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), HR241-3-7 (Hi-Shear Corporation), HR241-3-7 (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.