The Bolt,shear, cataloged under National Stock Number 5306-01-520-9992, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-520-9992 |
| Primary Part Number | BACB30MY6K2 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Head Height | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Fastener Length | 0.450 INCHES NOMINAL IN |
| Thread Length | 0.325 INCHES NOMINAL IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.125 INCHES NOMINAL IN |
| Grip Diameter | 0.1881 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN |
| Color | BLACK OVERALL |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 95000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.295 INCHES MINIMUM AND 0.315 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 |
|---|---|
| BACB30MY6K2 | Howmet Global Fastening Systems Inc (USA) |
| BACB30MY6K2 | Blanc Aero Industries Uk Ltd (GBR) |
| BACB30MY6K2 | West Coast Aerospace, Inc. (USA) |
| BACB30MY6K2 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30MY6K2 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30MY6K2 | Huck International, Inc (USA) |
| BACB30MY6K2 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30MY6K2 | Blanc Aero Industries - Groupe Lisi Aerospace (FRA) |
| BACB30MY6K2 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| BACB30MY6K2 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| BACB30MY6K2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-520-9992 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-520-9992 has 10 manufacturer part numbers on file: BACB30MY6K2 (Howmet Global Fastening Systems Inc), BACB30MY6K2 (Blanc Aero Industries Uk Ltd), BACB30MY6K2 (West Coast Aerospace, Inc.), BACB30MY6K2 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30MY6K2 (Howmet Global Fastening Systems Inc Div City of Industry Operations) and 5 more.
1 possible match (shared part number, not a government interchangeability claim): 5306-01-669-3954. Verify interchangeability with system specifications before substitution.
Key specifications for BACB30MY6K2: Head Height: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Fastener Length: 0.450 INCHES NOMINAL IN; Thread Length: 0.325 INCHES NOMINAL IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL 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.