The Bolt,shear, cataloged under National Stock Number 5306-01-304-2488, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-304-2488 |
| Primary Part Number | ST3M753-6H23 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Head Height | 0.327 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Fastener Length | 2.036 INCHES MINIMUM AND 2.066 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED 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 | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.427 INCHES MINIMUM AND 1.447 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.448 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE 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 | X |
| Part Number | Manufacturer |
|---|---|
| VFK600-6H23 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF 1267-6H23 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M753-6H23 PRIMARY | The Boeing Company Div Defense (USA) |
| GS1032-6H23 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| MB156-6H23 | Hi-Shear Corporation (USA) |
| MB156-6H23 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| AIC763-6H23 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| S343-6H23 | 5/9 Secondary reference U.S. Government activity |
| VS3190-6H23 | 5/9 Secondary reference U.S. Government activity |
| 122897-6H23 | 5/2 Secondary reference U.S. Government activity |
| ST3M753-6H23 | 5/2 Secondary reference U.S. Government activity |
| S343-6H23 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS3190-6H23 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
NSN 5306-01-304-2488 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-304-2488 has 7 manufacturer part numbers on file: VFK600-6H23 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), PBF 1267-6H23 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M753-6H23 (The Boeing Company Div Defense), GS1032-6H23 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), MB156-6H23 (Hi-Shear Corporation) and 2 more.
Key specifications for ST3M753-6H23: Extended Washer Thickness: 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Head Height: 0.327 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN; Fastener Length: 2.036 INCHES MINIMUM AND 2.066 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED 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.