The Bolt,shear, cataloged under National Stock Number 5306-01-269-5128, 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 19 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-269-5128 |
| Primary Part Number | ST3M753-8-61F |
| 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 | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Fastener Length | 4.564 INCHES MINIMUM AND 4.594 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TY2,CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.922 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN |
| Thread Length | 0.742 INCHES MINIMUM AND 0.792 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.802 INCHES MINIMUM AND 3.822 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.547 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Grip Diameter | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM AND CHROMATE 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 |
|---|---|
| MB156-8-61F | Hi-Shear Corporation (USA) |
| PBF1267-8-61F | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC763-8-61F | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M753-8-61F PRIMARY | The Boeing Company Div Defense (USA) |
| VFK600-8-61F | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB156-8-61F | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| VS3190-8-61F | 5/9 Secondary reference U.S. Government activity |
| VS3190-8-61F | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| S343-8-61F | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| S343-8-61F | 5/9 Secondary reference U.S. Government activity |
| 122897-8-61F | 5/2 Secondary reference U.S. Government activity |
| ST3M753-8-61F | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-269-5128 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-269-5128 has 6 manufacturer part numbers on file: MB156-8-61F (Hi-Shear Corporation), PBF1267-8-61F (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC763-8-61F (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M753-8-61F (The Boeing Company Div Defense), VFK600-8-61F (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 1 more.
Key specifications for ST3M753-8-61F: Extended Washer Thickness: 0.062 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN; Head Height: 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; Fastener Length: 4.564 INCHES MINIMUM AND 4.594 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488,TY2,CL3 MIL 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.