The Bolt,shear, cataloged under National Stock Number 5306-01-296-6421, 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 Div PB Fasteners. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-296-6421 |
| Primary Part Number | PBF1446-12H34 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Extended Washer Thickness | 0.175 INCHES NOMINAL IN |
| Head Height | 0.711 INCHES NOMINAL IN |
| Fastener Length | 3.424 INCHES MINIMUM AND 3.454 INCHES MAXIMUM IN |
| Extended Washer Diameter | 1.419 INCHES MINIMUM AND 1.429 INCHES MAXIMUM IN |
| Thread Length | 1.299 INCHES MINIMUM AND 1.329 INCHES MAXIMUM IN |
| Hole Configuration Style | DOUBLE HEXAGON FLATS |
| Material Document and Classification | AMS 5758 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.125 INCHES NOMINAL IN |
| Width Between Flats | 0.403 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN |
| Grip Diameter | 0.745 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 260000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 145000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | COBALT COMP MP-35-N 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 |
|---|---|
| PBF1446-12H34 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC6924-12H34 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 76924-12H34 | 5/9 Secondary reference Lars Industries Inc Dba Mcdonald Technologies Intl Inc |
| HS4243-12H34 | 3/9 Design control — primary reference Mcdonnell Douglas Helicopter Co Inc |
| HS4243-12H34 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
NSN 5306-01-296-6421 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-296-6421 has 2 manufacturer part numbers on file: PBF1446-12H34 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC6924-12H34 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for PBF1446-12H34: Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Extended Washer Thickness: 0.175 INCHES NOMINAL IN; Head Height: 0.711 INCHES NOMINAL IN. 24 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.