The Screw,machine, cataloged under National Stock Number 5305-01-357-4612, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,machine |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Houston Precision Fasteners I Lp (CAGE 1VSL7); Fastener Innovation Technology, Inc. Dba F I T (CAGE 58998); Hi-Shear Corporation (CAGE 73197); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Heartland Precision Fasteners Inc (CAGE 0ZC92) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-357-4612 |
| Primary Part Number | HR248-3-8BT |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| 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 |
|---|---|
| 3M939-3-8F | Houston Precision Fasteners I Lp (USA) |
| 3M939-3-8F | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HR248-3-8BT PRIMARY | Hi-Shear Corporation (USA) |
| AIC939-3-8P PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M939-3-8F | Heartland Precision Fasteners Inc (USA) |
| 3M939-3-8F | Howmet Global Fastening Systems Inc (USA) |
| 3M939-3-8F | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| HR248-3-8BT PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M939-3-8F | West Coast Aerospace, Inc. (USA) |
| 3M939-3-8F | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| GS1018-3-8F | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M939-3-8F | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| MA6939-3-8F | C/1 Advisory reference — outside the item-of-supply concept Abounding Security Inc Div of Maa Corp |
| VT1730-3-8P | 5/9 Secondary reference U.S. Government activity |
| 124894-3-8F | 3/2 Design control — primary reference U.S. Government activity |
| SC5087-3-8P | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| 3M939-3-8F | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HR248-3-8BJ | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
NSN 5305-01-357-4612 is a Screw,machine, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-357-4612 has 12 manufacturer part numbers on file: 3M939-3-8F (Houston Precision Fasteners I Lp), 3M939-3-8F (Fastener Innovation Technology, Inc. Dba F I T), HR248-3-8BT (Hi-Shear Corporation), AIC939-3-8P (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M939-3-8F (Heartland Precision Fasteners Inc) and 7 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.