The Bolt,shear, cataloged under National Stock Number 5306-01-025-4824, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-025-4824 |
| Primary Part Number | GB511B10-20 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Fastener Length | 1.866 INCHES MINIMUM AND 1.913 INCHES MAXIMUM IN |
| Thread Length | 0.606 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 08524-B-17020 MANUFACTURERS STANDARD |
| Grip Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Grip Diameter | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| GB511B10-20 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GB511B10-20 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GB511B10-20 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GB511B10-20 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GB511B10-20 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GB511B10-20 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| BM17020-10-20A | 5/9 Secondary reference U.S. Government activity |
| EWSB22D10-H20 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS3071-10F20 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| GB511B10-20 | 5/2 Secondary reference U.S. Government activity |
| VS3071-10F20 | 5/9 Secondary reference U.S. Government activity |
| PBFL07810-20 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| GB511B10-20 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| VEPS132121-10F20 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| EWSB22D10-H20 | 5/9 Secondary reference U.S. Government activity |
| BM17020-10-20A | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5306-01-025-4824 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-025-4824 has 6 manufacturer part numbers on file: GB511B10-20 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), GB511B10-20 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), GB511B10-20 (Sps Technologies, Llc Dba PB Fasteners), GB511B10-20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), GB511B10-20 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 1 more.
Key specifications for GB511B10-20: Head Height: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Fastener Length: 1.866 INCHES MINIMUM AND 1.913 INCHES MAXIMUM IN; Thread Length: 0.606 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL. 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.