The Bolt,shear, cataloged under National Stock Number 5306-01-246-7462, 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 18 specifications, cited from the U.S. Government catalog. The record lists 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-246-7462 |
| Primary Part Number | ST3M753-8-21 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.062 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Head Height | 0.358 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN |
| Fastener Length | 2.065 INCHES MINIMUM AND 2.095 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.922 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN |
| Thread Length | 0.762 INCHES MINIMUM AND 0.772 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.303 INCHES MINIMUM AND 1.323 INCHES MAXIMUM IN |
| Width Between Flats | 0.547 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Grip Diameter | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 122897-8-21 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HP7753-8-21 | Heartland Precision Fasteners Inc (USA) |
| PBF1267-8-21 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11829-8-21 | Reid Products Inc. Dba Reid Products Inc (USA) |
| AIC763-8-21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M753-8-21 | Houston Precision Fasteners I Lp (USA) |
| VFK600-8-21 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M753-8-21 PRIMARY | The Boeing Company Div Defense (USA) |
| VS3190-8-21 | Howmet Global Fastening Systems Inc (USA) |
| SLB255 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| ST3M753-8-21 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| GS1032-8-21 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| MB156-8-21 | Hi-Shear Corporation (USA) |
| S343-8-21 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 122897-8-21 | 5/9 Secondary reference Sps Technologies Inc |
| 122897-8-21 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-246-7462 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-246-7462 has 14 manufacturer part numbers on file: 122897-8-21 (Sps Technologies, Llc Dba PB Fasteners), HP7753-8-21 (Heartland Precision Fasteners Inc), PBF1267-8-21 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 11829-8-21 (Reid Products Inc. Dba Reid Products Inc), AIC763-8-21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 9 more.
Key specifications for ST3M753-8-21: Extended Washer Thickness: 0.062 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN; Head Height: 0.358 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN; Fastener Length: 2.065 INCHES MINIMUM AND 2.095 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.