The Bolt,shear, cataloged under National Stock Number 5306-01-476-1085, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-476-1085 |
| Primary Part Number | BACB30US8K30 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Head Height | 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Fastener Length | 2.688 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | BMS10-85, TYPE 1 MFR REF SINGLE TREATMENT RESPONSE THREADS |
| Extended Washer Diameter | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Thread Length | 0.813 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5882 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.637 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN |
| Grip Diameter | 0.4981 INCHES NOMINAL IN |
| Color | BLACK THREADS |
| Surface Treatment | ALUMINUM THREADS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 718 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 |
|---|---|
| BACB30US8K30 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30US8K30 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BACB30US8K30 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30US8K30 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30US8K30 | Blanc Aero Industrie Villefranche De Rouergue - Groupe Lisi Aerospace (FRA) |
| BACB30US8K30 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30US8K30 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| BACB30US8K30 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30US8K30 | Federal Manufacturing Corp (USA) |
| BACB30US8K30 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| BACB30US8K30 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-476-1085 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-476-1085 has 10 manufacturer part numbers on file: BACB30US8K30 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30US8K30 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BACB30US8K30 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30US8K30 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACB30US8K30 (Blanc Aero Industrie Villefranche De Rouergue - Groupe Lisi Aerospace) and 5 more.
1 possible match (shared part number, not a government interchangeability claim): 5306-01-687-7712. Verify interchangeability with system specifications before substitution.
Key specifications for BACB30US8K30: Extended Washer Thickness: 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Head Height: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Fastener Length: 2.688 INCHES NOMINAL IN; Surface Treatment Document and Classification: BMS10-85, TYPE 1 MFR REF SINGLE TREATMENT RESPONSE THREADS. 19 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.