The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-165-1290, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-165-1290 |
| Primary Part Number | LD111-0026-0414 |
| 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 | 1.257 INCHES MINIMUM AND 1.287 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 MINIMUM OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.875 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 |
|---|---|
| LD111-0026-0482 | Huck International, Inc (USA) |
| LD111-0026-0414 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LD111-0026-0482 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| LD111-0026-0482 | J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings (USA) |
| LD111-0026-0482 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| LD111-0026-0482 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LD111-0026-0482 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LD111-0026-0482 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LD111-0026-0482 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LD111-0026-0482 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| LD111-0026-0482 | 5/2 Secondary reference U.S. Government activity |
| LD111-0026-0482 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-165-1290 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-165-1290 has 10 manufacturer part numbers on file: LD111-0026-0482 (Huck International, Inc), LD111-0026-0414 (The Boeing Company Div Legacy Am&m), LD111-0026-0482 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), LD111-0026-0482 (J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings), LD111-0026-0482 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 5 more.
Key specifications for LD111-0026-0414: Head Height: 0.164 INCHES NOMINAL IN; Fastener Length: 1.257 INCHES MINIMUM AND 1.287 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.