The Bolt,shear, cataloged under National Stock Number 5306-00-263-8734, 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. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-263-8734 |
| Primary Part Number | EWSB22-4D14 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.164 INCHES NOMINAL IN |
| Fastener Length | 1.152 INCHES MINIMUM AND 1.199 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.267 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB511B4D14 MANUFACTURERS STANDARD |
| Grip Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| GB511B4D14 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| EWSB22-4D14 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC516B4D14 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GB511B4D14 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GB511B4D14 | Northrop Grumman Systems Corporation (USA) |
| H401-4D14 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| GB511B4D14 | 5/2 Secondary reference U.S. Government activity |
| EWSB22D4-14 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| EWSB22-4D14 | 5/9 Secondary reference Sps Technologies Inc |
| H401-4D14 | 5/9 Secondary reference U.S. Government activity |
| EWSB22D4-14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-263-8734 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-263-8734 has 6 manufacturer part numbers on file: GB511B4D14 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), EWSB22-4D14 (Sps Technologies, Llc Dba PB Fasteners), AIC516B4D14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), GB511B4D14 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), GB511B4D14 (Northrop Grumman Systems Corporation) and 1 more.
Key specifications for EWSB22-4D14: Head Height: 0.164 INCHES NOMINAL IN; Fastener Length: 1.152 INCHES MINIMUM AND 1.199 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.267 INCHES MINIMUM AND 0.334 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.