The Bolt,shear, cataloged under National Stock Number 5306-01-439-2507, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-439-2507 |
| Primary Part Number | BACB30FD4-25P |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| Head Height | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Fastener Length | 2.032 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Thread Length | 0.460 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 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 | 0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| BACB30FD4-25P | The Boeing Company (USA) |
| BACB30FD4-25P | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30FD4-25P | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30FD4-25P | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30FD4-25P | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30FD4-25P | 3/2 Design control — primary reference U.S. Government activity |
| BACB30FD4-25P | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| BACB30FD4-25P | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-439-2507 is a Bolt,shear, manufactured by The Boeing Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-439-2507 has 5 manufacturer part numbers on file: BACB30FD4-25P (The Boeing Company), BACB30FD4-25P (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30FD4-25P (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30FD4-25P (Sps Technologies, Llc Dba PB Fasteners), BACB30FD4-25P (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for BACB30FD4-25P: Extended Washer Thickness: 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Head Height: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Fastener Length: 2.032 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 17 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.