The Bolt,shear, cataloged under National Stock Number 5306-01-055-1143, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Boeing Defence Australia Ltd Div Defense, Space & Security. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-055-1143 |
| Primary Part Number | BACB30LM3-5 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Boeing Defence Australia Ltd Div Defense, Space & Security |
| Status | ACTIVE |
| Head Height | 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Fastener Length | 0.642 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 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 |
|---|---|
| BACB30LM3-5 | Boeing Defence Australia Ltd Div Defense, Space & Security (AUS) |
| BACB30LM3-5 | Howmet Global Fastening Systems Inc (USA) |
| BACB30LM3-5 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LM3-5 | Federal Manufacturing Corp (USA) |
| BACB30LM3-5 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LM3-5 | Boeing Defence Australia Ltd (AUS) |
| Reference | Meaning |
|---|---|
| BACB30LM3-5 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30LM3-5 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BACB30LM3-5 | 5/2 Secondary reference U.S. Government activity |
| BACB30LM3-5 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-055-1143 is a Bolt,shear, manufactured by Boeing Defence Australia Ltd Div Defense, Space & Security, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-055-1143 has 6 manufacturer part numbers on file: BACB30LM3-5 (Boeing Defence Australia Ltd Div Defense, Space & Security), BACB30LM3-5 (Howmet Global Fastening Systems Inc), BACB30LM3-5 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LM3-5 (Federal Manufacturing Corp), BACB30LM3-5 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 1 more.
Key specifications for BACB30LM3-5: Head Height: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Fastener Length: 0.642 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN. 16 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.