The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-568-7742, 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 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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); Huck International, Inc (CAGE 17446); Howmet Global Fastening Systems Inc (CAGE 06950); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (CAGE 16258) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-568-7742 |
| Primary Part Number | MB155-6H14 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| MB155-6H14 PRIMARY | Hi-Shear Corporation (USA) |
| S397-6H14 PRIMARY | Huck International, Inc (USA) |
| VS3191-6H14 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| A1C688-6H14 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| SLB254-6H14 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| ST3M747-6H14 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HP7747-6H14 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| 122896-6H14 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| PBF1266-6H14 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M747-6H14 PRIMARY | The Boeing Company Div Defense (USA) |
| 11833-6H14 | Reid Products Inc. Dba Reid Products Inc (USA) |
| VCG0002-6H14 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GS1031-6H14 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M747-6H14 | Houston Precision Fasteners I Lp (USA) |
| Reference | Meaning |
|---|---|
| 122896-6H14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-568-7742 is a Bolt,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-568-7742 has 14 manufacturer part numbers on file: MB155-6H14 (Hi-Shear Corporation), S397-6H14 (Huck International, Inc), VS3191-6H14 (Howmet Global Fastening Systems Inc), A1C688-6H14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), SLB254-6H14 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok) and 9 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.
NSN 5306-01-568-7742 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.