The Bolt,shear, cataloged under National Stock Number 5306-00-234-9652, 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 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-234-9652 |
| Primary Part Number | EWSB22-5A25 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Fastener Length | 1.898 INCHES MINIMUM AND 1.945 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.326 INCHES MINIMUM AND 0.393 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 | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB511B5 MANUFACTURERS STANDARD |
| Grip Length | 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 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 |
|---|---|
| EWSB22-5A25 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| MB182JK-525 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| PBF10785-25 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC516B525 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VAL22034-525 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB182JK-525 | Hi-Shear Corporation (USA) |
| BM17020-5-25 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| EWSB22-5A25 | 5/9 Secondary reference Sps Technologies Inc |
| VS344D-5F25 | 5/2 Secondary reference U.S. Government activity |
| GB511B5-25 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5306-00-234-9652 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-234-9652 has 7 manufacturer part numbers on file: EWSB22-5A25 (Sps Technologies, Llc Dba PB Fasteners), MB182JK-525 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), PBF10785-25 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC516B525 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), VAL22034-525 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 2 more.
Key specifications for EWSB22-5A25: Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Fastener Length: 1.898 INCHES MINIMUM AND 1.945 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.326 INCHES MINIMUM AND 0.393 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.