The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-175-0997, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | The Boeing Company Div Defense (CAGE 76301); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Hi-Shear Corporation (CAGE 73197) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-175-0997 |
| Primary Part Number | ST3M764C4-40 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| 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 |
|---|---|
| ST3M764C4-40 PRIMARY | The Boeing Company Div Defense (USA) |
| LB36-4-40 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| LB36-4-40 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| AS300-4-40 | 5/2 Secondary reference U.S. Government activity |
| 10116097 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-01-175-0997 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-175-0997 has 3 manufacturer part numbers on file: ST3M764C4-40 (The Boeing Company Div Defense), LB36-4-40 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), LB36-4-40 (Hi-Shear Corporation).
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.