The Bolt,shear, cataloged under National Stock Number 5306-01-086-1079, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-086-1079 |
| Primary Part Number | BACB30LM3U3 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Fastener Length | 0.518 INCHES MINIMUM AND 0.548 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81205-BACB30LM MANUFACTURERS STANDARD |
| Grip Length | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE 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 |
|---|---|
| BACB30LM3U3 | Huck International, Inc (USA) |
| BACB30LM3U3 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30LM3U3 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LM3U3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| NAS6703U3 | Embraer S.a. (BRA) |
| BACB30LM3U30 | Howmet Global Fastening Systems Inc (USA) |
| BACB30LM3U3 | Federal Manufacturing Corp (USA) |
| BACB30LM3U3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 04050452045506 | Jk Defence & Security Products Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 5306PL1180225 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| BACB30LM3U30 | 5/9 Secondary reference U.S. Government activity |
| BACB30LM3U3 | 3/2 Design control — primary reference U.S. Government activity |
| NAS6703U3 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| BACB30LM3U3 | 5/9 Secondary reference U.S. Government activity |
| BACB30LM3U3 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| BACB30LM3U3 | 5/9 Secondary reference U.S. Government activity |
| 10115711 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-01-086-1079 is a Bolt,shear, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-086-1079 has 9 manufacturer part numbers on file: BACB30LM3U3 (Huck International, Inc), BACB30LM3U3 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACB30LM3U3 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30LM3U3 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), NAS6703U3 (Embraer S.a.) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 2915-01-673-8120. Verify interchangeability with system specifications before substitution.
Key specifications for BACB30LM3U3: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN. 21 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.