The Bolt,shear, cataloged under National Stock Number 5306-00-040-9525, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-040-9525 |
| Primary Part Number | 110185-4-6M |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 0.785 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN |
| Thread Length | 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Hole Configuration Style | HEXAGON CORNERS |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB511BY4-6 MANUFACTURERS STANDARD |
| Grip Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Hole Quantity | 3 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.046 INCHES NOMINAL IN |
| 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 |
|---|---|
| GB511BY4M6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GB511BY4M6 | Tactair Fluid Controls Inc (USA) |
| GB511BY4M6 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GB511BY4M6 | Northrop Grumman Systems Corporation (USA) |
| 110185-4-6M PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GB511BY4M6 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BM15016-4-6A | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BM15016-4-6A | 5/9 Secondary reference U.S. Government activity |
| 110185-4-6M | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-00-040-9525 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-040-9525 has 6 manufacturer part numbers on file: GB511BY4M6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), GB511BY4M6 (Tactair Fluid Controls Inc), GB511BY4M6 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), GB511BY4M6 (Northrop Grumman Systems Corporation), 110185-4-6M (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for 110185-4-6M: Head Height: 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 0.785 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN; Thread Length: 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN; Hole Configuration Style: HEXAGON CORNERS. 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.