The Bolt,shear, cataloged under National Stock Number 5306-01-051-0635, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-051-0635 |
| Primary Part Number | STSBG004A05U023 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Extended Washer Thickness | 0.050 INCHES NOMINAL IN |
| Head Height | 0.319 INCHES NOMINAL IN |
| Fastener Length | 2.033 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Thread Length | 0.586 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN |
| Hardness Rating | 51.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.427 INCHES MINIMUM AND 1.447 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 260000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP H11 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 |
|---|---|
| STSBG004A05U023 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| STSBG004A05U023 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| STSBG004A05U023 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| STSBG004A05U023 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11697A05U023 | Reid Products Inc. Dba Reid Products Inc (USA) |
| STSBG004A05U023 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| EWB26-5-23 | 3/2 Design control — primary reference U.S. Government activity |
| STSBG004A05U023 | 5/2 Secondary reference U.S. Government activity |
| EWB26-5-23 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5306-01-051-0635 is a Bolt,shear, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-051-0635 has 6 manufacturer part numbers on file: STSBG004A05U023 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), STSBG004A05U023 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), STSBG004A05U023 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), STSBG004A05U023 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 11697A05U023 (Reid Products Inc. Dba Reid Products Inc) and 1 more.
Key specifications for STSBG004A05U023: Extended Washer Thickness: 0.050 INCHES NOMINAL IN; Head Height: 0.319 INCHES NOMINAL IN; Fastener Length: 2.033 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN; Extended Washer Diameter: 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN. 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.