The Bolt,shear, cataloged under National Stock Number 5306-01-193-9538, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-193-9538 |
| Primary Part Number | BACB30LC6-34 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Fastener Length | 2.688 INCHES MINIMUM AND 2.718 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.553 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 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 |
|---|---|
| BACB30LC6-34 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LC6-34 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| BACB30LC6-34 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LC6-34 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30LC6-34 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| BACB30LC6-34 | 5/2 Secondary reference U.S. Government activity |
| BACB30LC6-34 | 5/9 Secondary reference U.S. Government activity |
| BACB30LC6-34 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-193-9538 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-193-9538 has 4 manufacturer part numbers on file: BACB30LC6-34 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30LC6-34 (Leonardo Spa Helicopters Division - Production Site), BACB30LC6-34 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LC6-34 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for BACB30LC6-34: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.173 INCHES MINIMUM AND 0.203 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.