The Bolt,shear, cataloged under National Stock Number 5306-01-048-1127, 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 16 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-048-1127 |
| Primary Part Number | BACB30LM4U11 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 1.098 INCHES MINIMUM AND 1.128 INCHES MAXIMUM IN |
| Thread Length | 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81205-BACB30LM PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| BACB30LM4U11 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LM4U11 PRIMARY | Huck International, Inc (USA) |
| BACB30LM4U11 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30LM4U11 PRIMARY | Federal Manufacturing Corp (USA) |
| BACB30LM4U11 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LM4U11 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LM4U11 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACB30LM4U11 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| BACB30LM4U11 | 5/9 Secondary reference U.S. Government activity |
| BACB30LM4U11 | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
| BACB30LM4U11 | 7/2 Vendor item drawing reference U.S. Government activity |
| BACB30BG4C11A | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-048-1127 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 5306-01-048-1127 has 8 manufacturer part numbers on file: BACB30LM4U11 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LM4U11 (Huck International, Inc), BACB30LM4U11 (Sps Technologies, Llc Dba PB Fasteners), BACB30LM4U11 (Federal Manufacturing Corp), BACB30LM4U11 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 3 more.
Key specifications for BACB30LM4U11: Head Height: 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 1.098 INCHES MINIMUM AND 1.128 INCHES MAXIMUM IN; Thread Length: 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES 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.