The Bolt,shear, cataloged under National Stock Number 5306-01-191-7482, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-191-7482 |
| Primary Part Number | MB84-8H25 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Extended Washer Thickness | 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Head Height | 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN |
| Fastener Length | 2.314 INCHES MINIMUM AND 2.344 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Thread Length | 0.742 INCHES MINIMUM AND 0.792 INCHES MAXIMUM IN |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN |
| Width Between Flats | 0.554 INCHES MINIMUM AND 0.574 INCHES MAXIMUM IN |
| Grip Diameter | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.050 INCHES MINIMUM AND 0.060 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 |
|---|---|
| MB84-8H25 PRIMARY | Hi-Shear Corporation (USA) |
| AIC752-8H25 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M571-8H25 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| S11-1059-8H25 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M571-8H25 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M571-8H25 | J M Precision Inc (USA) |
| MB84-8H25 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| VAL23033-8H25 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M571-8H25 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| MB3326-8H25 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS3060-8H25 | 5/9 Secondary reference U.S. Government activity |
| 74328-8H25 | 3/2 Design control — primary reference U.S. Government activity |
| MB3326-8H25 | 5/9 Secondary reference U.S. Government activity |
| VS3060-8H25 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| S371-8H25 | 5/9 Secondary reference U.S. Government activity |
| BM3326-8H25 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| 74328-8H25 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| S371-8H25 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| ST3M571-8H25 | 5/2 Secondary reference U.S. Government activity |
| BM3326-8H25 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-191-7482 is a Bolt,shear, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-191-7482 has 9 manufacturer part numbers on file: MB84-8H25 (Hi-Shear Corporation), AIC752-8H25 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M571-8H25 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), S11-1059-8H25 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), ST3M571-8H25 (Sps Technologies, Llc Dba PB Fasteners) and 4 more.
Key specifications for MB84-8H25: Extended Washer Thickness: 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Head Height: 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN; Fastener Length: 2.314 INCHES MINIMUM AND 2.344 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.