The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-229-9965, 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 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Bolt,close Tolerance |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); The Boeing Company Div Defense (CAGE 76301); Valley-Todeco, Inc. Dba Arconic Fastening Systems (CAGE 06710) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-229-9965 |
| Primary Part Number | MB155-6-20 |
| Item Name | Bolt,close Tolerance |
| 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MB155-6-20 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| PBF 1266-6-20 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC688-6-20 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M747-6-20 PRIMARY | The Boeing Company Div Defense (USA) |
| VCG0002-6-20 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB155-6-20 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 122896-6-20 | 3/2 Design control — primary reference U.S. Government activity |
| VS3191-6-20 | 5/9 Secondary reference U.S. Government activity |
| ST3M747-6-20 | 5/2 Secondary reference U.S. Government activity |
| VS3191-6-20 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| S397-6-20 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| S397-6-20 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-229-9965 is a Bolt,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-229-9965 has 6 manufacturer part numbers on file: MB155-6-20 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), PBF 1266-6-20 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC688-6-20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M747-6-20 (The Boeing Company Div Defense), VCG0002-6-20 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 1 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.