The Bolt,machine, cataloged under National Stock Number 5306-01-426-1672, 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 15 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-426-1672 |
| Primary Part Number | AA5112-528 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 0.140 INCHES NOMINAL IN |
| Fastener Length | 2.225 INCHES NOMINAL IN |
| Thread Length | 0.275 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.311 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.900 INCHES NOMINAL IN |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Locking Feature | PELLET LOCKING FEATURE |
| Color | SILVER OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| SS5112-528 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| AA5112-528 PRIMARY | Hi-Shear Corporation (USA) |
| AA5112-528 PRIMARY | Owens Industries, Inc. Dba Owens Industries Inc (USA) |
| AA5112-528 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| SS5112-528 PRIMARY | Owens Industries, Inc. Dba Owens Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| AA5112-528 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-426-1672 is a Bolt,machine, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-426-1672 has 5 manufacturer part numbers on file: SS5112-528 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), AA5112-528 (Hi-Shear Corporation), AA5112-528 (Owens Industries, Inc. Dba Owens Industries Inc), AA5112-528 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), SS5112-528 (Owens Industries, Inc. Dba Owens Industries Inc).
Key specifications for AA5112-528: Head Height: 0.140 INCHES NOMINAL IN; Fastener Length: 2.225 INCHES NOMINAL IN; Thread Length: 0.275 INCHES NOMINAL IN; Nominal Thread Diameter: 0.311 INCHES IN. 15 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.