The Bolt,shear, cataloged under National Stock Number 5306-00-150-3560, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-150-3560 |
| Primary Part Number | GB511W7-25 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Extended Washer Thickness | 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Head Height | 0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN |
| Fastener Length | 2.212 INCHES MINIMUM AND 2.242 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 0.640 INCHES MINIMUM AND 0.690 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 1ST MATERIAL RESPONSE OR AMS 6487 ASSN STD 1ST MATERIAL RESPONSE OR SPS-M-107 FSCM 56878 MFR REF 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB511W7 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 | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP H11 OR STEEL 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 |
|---|---|
| LWB22-7-25 | Huck International, Inc (USA) |
| LWB22-7-25 | Hi-Shear Corporation (USA) |
| LWB22-7-25 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LWB22-7-25 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LWB22-7-25 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| LWB22-7-25 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GB511W7-25 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| LWB22-7-25 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| LWB22-7-25 | 5/2 Secondary reference U.S. Government activity |
| LWB22-7-25 | 5/2 Secondary reference U.S. Government activity |
| LWB22-7-25 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-150-3560 is a Bolt,shear, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-150-3560 has 8 manufacturer part numbers on file: LWB22-7-25 (Huck International, Inc), LWB22-7-25 (Hi-Shear Corporation), LWB22-7-25 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), LWB22-7-25 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), LWB22-7-25 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 3 more.
Key specifications for GB511W7-25: Extended Washer Thickness: 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN; Head Height: 0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN; Fastener Length: 2.212 INCHES MINIMUM AND 2.242 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 21 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.