The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-165-1291, 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 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-165-1291 |
| Primary Part Number | LD111-0026-0417 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Head Height | 0.164 INCHES NOMINAL IN |
| Fastener Length | 1.444 INCHES MINIMUM AND 1.474 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.382 INCHES MINIMUM AND 0.412 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 | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.062 INCHES NOMINAL 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 |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| LD111-0026-0417 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| LD111-0026-0417 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LD111-0026-0417 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| LD111-0026-0417 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LD111-0026-0417 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LD111-0026-0417 | Hi-Shear Corporation (USA) |
NSN 5306-01-165-1291 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-165-1291 has 6 manufacturer part numbers on file: LD111-0026-0417 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), LD111-0026-0417 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), LD111-0026-0417 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), LD111-0026-0417 (The Boeing Company Div Legacy Am&m), LD111-0026-0417 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 1 more.
Key specifications for LD111-0026-0417: Head Height: 0.164 INCHES NOMINAL IN; Fastener Length: 1.444 INCHES MINIMUM AND 1.474 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.382 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN. 17 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.