The Bolt,shear, cataloged under National Stock Number 5306-01-468-5167, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-468-5167 |
| Primary Part Number | BM3326-4-24 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| Head Height | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Fastener Length | 1.953 INCHES MINIMUM AND 1.983 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Length | 0.468 INCHES NOMINAL IN |
| Material Document and Classification | 23-112 TYPE A MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.500 INCHES NOMINAL IN |
| Width Between Flats | 0.371 INCHES NOMINAL IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| ST3M571-4-24 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M571-4-24 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VAL23033-4-24 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BM3326-4-24 PRIMARY | Huck International, Inc (USA) |
| MB84-4-24 PRIMARY | Hi-Shear Corporation (USA) |
| 74328-4-24 | Computer Power Cabling Corp (USA) |
| S11-1059-4-24 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| VS3060-4-24 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| ST3M571-4-24 | 5/9 Secondary reference The Boeing Company Div Defense |
| MB84-4-24 | 3/9 Design control — primary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| AIC752-4-24 | 5/9 Secondary reference Kelly Manufacturing Company |
| 74328-4-24 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 11831-4-24 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
| BM3326-4-24 | 5/9 Secondary reference U.S. Government activity |
| AIC752-4-24 | 5/9 Secondary reference Allen R C Instruments Inc |
| ST3M571-4-24 | 5/9 Secondary reference Pruitt Energy Sources Inc |
NSN 5306-01-468-5167 is a Bolt,shear, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-468-5167 has 8 manufacturer part numbers on file: ST3M571-4-24 (Fastener Innovation Technology, Inc. Dba F I T), ST3M571-4-24 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), VAL23033-4-24 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BM3326-4-24 (Huck International, Inc), MB84-4-24 (Hi-Shear Corporation) and 3 more.
Key specifications for BM3326-4-24: Extended Washer Thickness: 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Head Height: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Fastener Length: 1.953 INCHES MINIMUM AND 1.983 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 specifications are documented in the U.S. Government catalog.
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.