The Bolt,shear, cataloged under National Stock Number 5306-01-050-9649, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-050-9649 |
| Primary Part Number | STSBG004A05U013 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| Status | ACTIVE |
| Extended Washer Thickness | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Head Height | 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN |
| Fastener Length | 1.408 INCHES MINIMUM AND 1.438 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 |
| Specification/standard Data | 56878-EWB26 MANUFACTURERS STANDARD |
| Grip Length | 0.802 INCHES MINIMUM AND 0.822 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 |
|---|---|
| STSBG004A05U013 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| STSBG004A05U013 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 11697A05U013 | Reid Products Inc. Dba Reid Products Inc (USA) |
| EWB26-5-13 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| STSBG004A05U013 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| STSBG004A05U013 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| STSBG004A05U013 | 3/2 Design control — primary reference U.S. Government activity |
| EWB26-5-13 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-050-9649 is a Bolt,shear, manufactured by Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-050-9649 has 6 manufacturer part numbers on file: STSBG004A05U013 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), STSBG004A05U013 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 11697A05U013 (Reid Products Inc. Dba Reid Products Inc), EWB26-5-13 (Sps Technologies, Llc Dba PB Fasteners), STSBG004A05U013 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 1 more.
Key specifications for STSBG004A05U013: Extended Washer Thickness: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Head Height: 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN; Fastener Length: 1.408 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN; Extended Washer Diameter: 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN. 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.