The Bolt,shear, cataloged under National Stock Number 5306-01-525-8412, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-525-8412 |
| Primary Part Number | ST3M753-6-36 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.054 INCHES NOMINAL IN |
| Head Height | 0.337 INCHES NOMINAL IN |
| Fastener Length | 2.864 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.696 INCHES NOMINAL IN |
| Thread Length | 0.614 INCHES NOMINAL IN |
| 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 | 2.250 INCHES NOMINAL IN |
| Head Minor Diameter | 0.438 INCHES NOMINAL IN |
| Grip Diameter | 0.374 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 COMP XM-13 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 |
|---|---|
| ST3M753-6-36 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB156-6-36 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 122897-6-36 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M753-6-36 | Houston Precision Fasteners I Lp (USA) |
| ST3M753-6-36 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| GS1032-6-36 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| S343-6-36 PRIMARY | Huck International, Inc (USA) |
| SLB255-6-36 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| AIC763-6-36 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| PBF1267-6-36 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M753-6-36 PRIMARY | The Boeing Company Div Defense (USA) |
| MB156-6-36 PRIMARY | Hi-Shear Corporation (USA) |
| VFK600-6-36 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| HP7753-6-36 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| VS3190-6-36 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 122897-6-36 | 3/2 Design control — primary reference U.S. Government activity |
| 122897-6-36 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-01-525-8412 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-525-8412 has 15 manufacturer part numbers on file: ST3M753-6-36 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), MB156-6-36 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 122897-6-36 (Sps Technologies, Llc Dba PB Fasteners), ST3M753-6-36 (Houston Precision Fasteners I Lp), ST3M753-6-36 (Fastener Innovation Technology, Inc. Dba F I T) and 10 more.
Key specifications for ST3M753-6-36: Extended Washer Thickness: 0.054 INCHES NOMINAL IN; Head Height: 0.337 INCHES NOMINAL IN; Fastener Length: 2.864 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC 1ST 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.