The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-437-9451, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. The record lists 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,internal Wrenching |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Lfc Industries, Inc. (CAGE 62384); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (CAGE 16258); Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (CAGE 1W025); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-437-9451 |
| Primary Part Number | HR239-4-12 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| 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 |
|---|---|
| BF0015HC3-4-12 | Lfc Industries, Inc. (USA) |
| HR239-4-12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| SLB216-4-12 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 03A173-4-12 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| AIC1651-4-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| E008-4-12 | Huck International, Inc (USA) |
| PBF1416-4-12 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| SC3103-4-12 | Howmet Global Fastening Systems Inc (USA) |
| HR239-4-12 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| E008-4-12 | 5/9 Secondary reference U.S. Government activity |
| 123742-4-12 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-437-9451 is a Bolt,internal Wrenching, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-437-9451 has 9 manufacturer part numbers on file: BF0015HC3-4-12 (Lfc Industries, Inc.), HR239-4-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), SLB216-4-12 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 03A173-4-12 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), AIC1651-4-12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 4 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.