The Bolt,shear, cataloged under National Stock Number 5306-01-189-7444, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-189-7444 |
| Primary Part Number | ST3M753-7-20 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Extended Washer Thickness | 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Head Height | 0.310 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Fastener Length | 1.940 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.807 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN |
| Thread Length | 0.680 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.514 INCHES MINIMUM AND 0.521 INCHES MAXIMUM IN |
| Grip Diameter | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| ST3M753-7-20 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| GS1032-7-20 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| AIC763-7-20 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| PBF 1267-7-20 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB156-7-20 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| S343-7-20 | Huck International, Inc (USA) |
| VS3190-7-20 | Howmet Global Fastening Systems Inc (USA) |
| HP7753-7-20 | Heartland Precision Fasteners Inc (USA) |
| VFK600-7-20 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB156-7-20 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 122897-7-20 | 5/2 Secondary reference U.S. Government activity |
| VS3190-7-20 | 5/9 Secondary reference U.S. Government activity |
| ST3M753-7-20 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| S343-7-20 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-189-7444 is a Bolt,shear, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-189-7444 has 10 manufacturer part numbers on file: ST3M753-7-20 (Fastener Innovation Technology, Inc. Dba F I T), GS1032-7-20 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), AIC763-7-20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), PBF 1267-7-20 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), MB156-7-20 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 5 more.
Key specifications for ST3M753-7-20: Extended Washer Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Head Height: 0.310 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Fastener Length: 1.940 INCHES MINIMUM AND 1.970 INCHES MAXIMUM 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.