The Bolt,shear, cataloged under National Stock Number 5306-01-234-1658, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Federal Manufacturing Corp. Government technical data includes 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-234-1658 |
| Primary Part Number | BACB30MT7-17 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Federal Manufacturing Corp |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Extended Washer Thickness | 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Head Height | 0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN |
| Fastener Length | 1.780 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 0.708 INCHES MINIMUM AND 0.758 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP H11 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 |
|---|---|
| BACB30MT7-17 | Federal Manufacturing Corp (USA) |
| BACB30MT7-17 | Howmet Global Fastening Systems Inc (USA) |
| BACB30MT7-17 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30MT7-17 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30MT7-17 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30MT7-17 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| BACB30MT7-17 | 5/9 Secondary reference U.S. Government activity |
| BACB30MT7-17 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-234-1658 is a Bolt,shear, manufactured by Federal Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-234-1658 has 6 manufacturer part numbers on file: BACB30MT7-17 (Federal Manufacturing Corp), BACB30MT7-17 (Howmet Global Fastening Systems Inc), BACB30MT7-17 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30MT7-17 (Sps Technologies, Llc Dba PB Fasteners), BACB30MT7-17 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 1 more.
Key specifications for BACB30MT7-17: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Extended Washer Thickness: 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN. 24 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.