The Bolt,shear, cataloged under National Stock Number 5306-01-193-9705, 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 14 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-193-9705 |
| Primary Part Number | ST3M753-4-18 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN |
| Head Height | 0.194 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Fastener Length | 1.578 INCHES MINIMUM AND 1.608 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Thread Length | 0.443 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| HP7753-4-18 | Heartland Precision Fasteners Inc (USA) |
| ST3M753-4-18 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| SLB255-4-18 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| ST3M753-4-18 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC763-4-18 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MB156-4-18 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| VS3190-4-18 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3B753-4-18 | Houston Precision Fasteners I Lp (USA) |
| GS1032-4-18 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M753-4-18 PRIMARY | The Boeing Company Div Defense (USA) |
| MB156-4-18 PRIMARY | Hi-Shear Corporation (USA) |
| S343-4-18 PRIMARY | Huck International, Inc (USA) |
| VFK600-4-18 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF1267-4-18 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 122897-4-18 | 3/2 Design control — primary reference U.S. Government activity |
| ST3M753-4-18 | 5/9 Secondary reference U.S. Government activity |
| 10416936 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 122897-4-18 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| VS3190-4-18 | 5/9 Secondary reference U.S. Government activity |
| S343-4-18 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-193-9705 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-193-9705 has 14 manufacturer part numbers on file: HP7753-4-18 (Heartland Precision Fasteners Inc), ST3M753-4-18 (Fastener Innovation Technology, Inc. Dba F I T), SLB255-4-18 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), ST3M753-4-18 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC763-4-18 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 9 more.
Key specifications for ST3M753-4-18: Extended Washer Thickness: 0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN; Head Height: 0.194 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN; Fastener Length: 1.578 INCHES MINIMUM AND 1.608 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.