The Bolt,shear, cataloged under National Stock Number 5306-01-436-0833, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Houston Precision Fasteners I Lp. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 20 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-436-0833 |
| Primary Part Number | ST3M753-6-25 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Houston Precision Fasteners I Lp |
| Status | ACTIVE |
| Extended Washer Thickness | 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Head Height | 0.337 INCHES NOMINAL IN |
| Fastener Length | 2.176 INCHES NOMINAL 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 | 0.614 INCHES NOMINAL IN |
| Material Document and Classification | AMS55629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.051 INCHES NOMINAL IN |
| Head Minor Diameter | 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Grip Diameter | 0.375 INCHES NOMINAL 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 CORROSION RESISTING 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 |
|---|---|
| ST3M753-6-25 PRIMARY | Houston Precision Fasteners I Lp (USA) |
| ST3M753-6-25 PRIMARY | Saturn Fasteners Inc (USA) |
| ST3M753-6-25 PRIMARY | Performance Mfg Opns Inc (USA) |
| ST3M753-6-25 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M753-6-25 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| AIC763-6-25 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M753-6-25 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GS1032-6-25 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M753-6-25 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M753-6-25 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3M753-6-25 PRIMARY | Hi-Shear Corporation (USA) |
| P601-262 | Ministry of Defence (air) (domestic Reference Number Use Only) (GBR) |
| VS3190-6-25 | Howmet Global Fastening Systems Inc (USA) |
| ST3M753-6-25 | The Boeing Company Div Defense (USA) |
| ST3M753-6-25 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M753-6-25 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| ST3M753-6-25 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| ST3M753-6-25 PRIMARY | Huck International, Inc (USA) |
| ST3M753-6-25 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M753-6-25 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| ST3M753-6-25 | 5/9 Secondary reference Bae Systems (operations) Limited |
| VFK600-6-25 | C/1 Advisory reference — outside the item-of-supply concept Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| S343-6-25 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| 753-6-25 | 5/9 Secondary reference Bae Systems (operations) Limited |
| ST3M753-6-25 | 5/9 Secondary reference British Aerospace (military Aircraft & Aerostructures) |
| VS3190-6-25 | 5/9 Secondary reference U.S. Government activity |
| 753-6-25 | 5/9 Secondary reference British Aerospace (military Aircraft & Aerostructures) |
| 122897-6-25 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| MB156-6-25 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
| PBF 1267-6-25 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| 753-6-25 | 5/9 Secondary reference Bae Systems Plc |
| ST3M753-6-25 | 5/9 Secondary reference Bae Systems Plc |
NSN 5306-01-436-0833 is a Bolt,shear, manufactured by Houston Precision Fasteners I Lp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-436-0833 has 20 manufacturer part numbers on file: ST3M753-6-25 (Houston Precision Fasteners I Lp), ST3M753-6-25 (Saturn Fasteners Inc), ST3M753-6-25 (Performance Mfg Opns Inc), ST3M753-6-25 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M753-6-25 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace) and 15 more.
Key specifications for ST3M753-6-25: Extended Washer Thickness: 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Head Height: 0.337 INCHES NOMINAL IN; Fastener Length: 2.176 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC 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.