The Bolt,shear, cataloged under National Stock Number 5306-01-132-4785, 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 23 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-132-4785 |
| Primary Part Number | S343-6H14F |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Head Height | 0.263 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN |
| Fastener Length | 1.474 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN |
| Thread Length | 0.589 INCHES MINIMUM AND 0.639 INCHES MAXIMUM IN |
| Hole Configuration Style | SPLINE |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.448 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| S343-6H14F PRIMARY | Huck International, Inc (USA) |
| AIC763-6H14F PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 122897-6H14F PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| PBF1267-6H14F PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VS3190-6H14F PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| MB156-6H14F PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HP7753-6H14F PRIMARY | Heartland Precision Fasteners Inc (USA) |
| VFK600-6H14F PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB156-6H14F PRIMARY | Hi-Shear Corporation (USA) |
| GS1032-6H14F | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M753-6H14F PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| MB156-6H14BV | 5/9 Secondary reference Hi-Shear Corporation |
| VS3190-6H14F | 5/9 Secondary reference U.S. Government activity |
| S343-6H14F | 5/9 Secondary reference U.S. Government activity |
| VS3190BJ6H14 | 5/9 Secondary reference U.S. Government activity |
| 122897-6H14F | 3/2 Design control — primary reference U.S. Government activity |
| ST3M753-6H14F | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10115887 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-01-132-4785 is a Bolt,shear, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-132-4785 has 11 manufacturer part numbers on file: S343-6H14F (Huck International, Inc), AIC763-6H14F (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 122897-6H14F (Sps Technologies, Llc Dba PB Fasteners), PBF1267-6H14F (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), VS3190-6H14F (Howmet Global Fastening Systems Inc) and 6 more.
Key specifications for S343-6H14F: Extended Washer Thickness: 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Head Height: 0.263 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN; Fastener Length: 1.474 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 23 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.