The Bolt,shear, cataloged under National Stock Number 5306-01-433-6137, 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 18 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-433-6137 |
| Primary Part Number | 74328-6-D60 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN |
| Head Height | 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN |
| Fastener Length | 4.349 INCHES MINIMUM AND 34.379 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.422 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Thread Length | 0.614 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.750 INCHES NOMINAL IN |
| Width Between Flats | 0.490 INCHES NOMINAL IN |
| Grip Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| 74328-6-D60 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M571-6D60 | Heartland Precision Fasteners Inc (USA) |
| ST3M571-6D60 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VAL23033-6-D60 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB84-6-D60 PRIMARY | Hi-Shear Corporation (USA) |
| MB84-6-D60 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GS1030-6D60 | B & B Specialties Inc (USA) |
| GS1030-6D60 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| AIC752-6-D60 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BM3326-6-D60 | Huck International, Inc (USA) |
| S11-1059-6-D60 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| VS3060-6-D60 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| VS3060-6-D60 | 5/9 Secondary reference U.S. Government activity |
| ST3M571-6D60 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| BM3326-6-D60 | 5/9 Secondary reference U.S. Government activity |
| 74328-6-D60 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-433-6137 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-433-6137 has 12 manufacturer part numbers on file: 74328-6-D60 (Sps Technologies, Llc Dba PB Fasteners), ST3M571-6D60 (Heartland Precision Fasteners Inc), ST3M571-6D60 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), VAL23033-6-D60 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), MB84-6-D60 (Hi-Shear Corporation) and 7 more.
Key specifications for 74328-6-D60: Extended Washer Thickness: 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN; Head Height: 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN; Fastener Length: 4.349 INCHES MINIMUM AND 34.379 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.