The Bolt,shear, cataloged under National Stock Number 5306-01-174-4541, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-174-4541 |
| Primary Part Number | LD111-0021-0819 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Extended Washer Thickness | 0.123 INCHES NOMINAL IN |
| Head Height | 0.401 INCHES NOMINAL IN |
| Fastener Length | 1.986 INCHES MINIMUM AND 2.016 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Thread Length | 0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.188 INCHES NOMINAL IN |
| Width Between Flats | 0.631 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN |
| Grip Diameter | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 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 |
|---|---|
| LD111-0021-0819 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LD111-0021-0819 | Hi-Shear Corporation (USA) |
| LD111-0021-0819 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LD111-0021-0819 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| LD111-0021-0819 | Surface Combustion Inc (USA) |
| LD111-0021-0819 | Abounding Security Inc Div of Maa Corp (USA) |
| LD111-0021-0819 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LD111-0021-0819 | Huck International, Inc (USA) |
| LD111-0021-0819 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LD111-0021-0819 | J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings (USA) |
| LD111-0021-0819 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| Reference | Meaning |
|---|---|
| LD111-0021-0819 | 5/2 Secondary reference U.S. Government activity |
| LD111-0021-0819 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-174-4541 is a Bolt,shear, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-174-4541 has 11 manufacturer part numbers on file: LD111-0021-0819 (Sps Technologies, Llc Dba PB Fasteners), LD111-0021-0819 (Hi-Shear Corporation), LD111-0021-0819 (The Boeing Company Div Legacy Am&m), LD111-0021-0819 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), LD111-0021-0819 (Surface Combustion Inc) and 6 more.
Key specifications for LD111-0021-0819: Extended Washer Thickness: 0.123 INCHES NOMINAL IN; Head Height: 0.401 INCHES NOMINAL IN; Fastener Length: 1.986 INCHES MINIMUM AND 2.016 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 20 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.