The Bolt,shoulder, cataloged under National Stock Number 5306-01-341-9441, 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 19 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-341-9441 |
| Primary Part Number | BACB30MT6T16X |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Fastener Length | 1.628 INCHES MINIMUM AND 1.658 INCHES MAXIMUM IN |
| Shoulder Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | AMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.3891 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.643 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL AND CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY 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 |
|---|---|
| BACB30MT6T16X | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30MT6T16X | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30MT6T16X | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30MT6T16X | Huck International, Inc (USA) |
| BACB30MT6T16X | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| BACB30MT6T16X | 5/9 Secondary reference Federal Manufacturing Corp |
| BACB30MT6T16X | 5/2 Secondary reference U.S. Government activity |
| BACB30MT6T16X | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-341-9441 is a Bolt,shoulder, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-341-9441 has 5 manufacturer part numbers on file: BACB30MT6T16X (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30MT6T16X (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30MT6T16X (Sps Technologies, Llc Dba PB Fasteners), BACB30MT6T16X (Huck International, Inc), BACB30MT6T16X (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
Key specifications for BACB30MT6T16X: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 1.628 INCHES MINIMUM AND 1.658 INCHES MAXIMUM IN; Shoulder Length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: AMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 19 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.