The Bolt,shear, cataloged under National Stock Number 5306-01-472-4476, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-472-4476 |
| Primary Part Number | BACB30US4K7H |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Extended Washer Thickness | 0.042 INCHES NOMINAL IN |
| Head Height | 0.235 INCHES NOMINAL IN |
| Fastener Length | 0.9360 INCHES MINIMUM AND 0.9390 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-85614 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Hole Configuration Style | DOUBLE HEXAGON FLATS |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.4365 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN |
| Width Between Flats | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Color | BLACK THREADS |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 718 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 |
|---|---|
| BACB30US4K7H PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5306-01-472-4476 is a Bolt,shear, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-472-4476 has 1 manufacturer part number on file: BACB30US4K7H (The Boeing Company Div Legacy Am&m).
Key specifications for BACB30US4K7H: Extended Washer Thickness: 0.042 INCHES NOMINAL IN; Head Height: 0.235 INCHES NOMINAL IN; Fastener Length: 0.9360 INCHES MINIMUM AND 0.9390 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-85614 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.