The Bolt,shear, cataloged under National Stock Number 5306-01-067-8530, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-067-8530 |
| Primary Part Number | 74328-4H44 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| 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 | 3.203 INCHES MINIMUM AND 3.233 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Length | 0.443 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | 23-112 TY A FSCM 76301 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 | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN |
| Width Between Flats | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM 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 CORROSION RESISTING OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| 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 |
|---|---|
| AIC752-4H44 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MB84-4H44 | Hi-Shear Corporation (USA) |
| ST3M571-4H44 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GS1030-4H44 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| S11-1059-4H44 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| VAL23033-4H44 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 74328-4H44 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| MB84-4H44 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| VS3060-4H44 | Howmet Global Fastening Systems Inc (USA) |
| ST3M571-4H44 | J M Precision Inc (USA) |
| BM3326-4H44 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| S371-4H44 | 5/9 Secondary reference U.S. Government activity |
| PBF23T4PH44 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| ST3M571-4H44 | 5/9 Secondary reference U.S. Government activity |
| 74328-4H44 | 5/2 Secondary reference U.S. Government activity |
| S371-4H44 | 5/9 Secondary reference Huck International, Inc |
| BM3326-4H44 | 5/9 Secondary reference U.S. Government activity |
| ST3M571-4H44 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| VS3060-4H44 | 5/9 Secondary reference U.S. Government activity |
| PBF237-4P44 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| ST3M571-4H44 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5306-01-067-8530 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-067-8530 has 11 manufacturer part numbers on file: AIC752-4H44 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), MB84-4H44 (Hi-Shear Corporation), ST3M571-4H44 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), GS1030-4H44 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), S11-1059-4H44 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 6 more.
Key specifications for 74328-4H44: 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: 3.203 INCHES MINIMUM AND 3.233 INCHES MAXIMUM IN; Extended Washer Diameter: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN. 22 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.