The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-167-2403, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Volumatic Inc Dba Volumatic Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-167-2403 |
| Primary Part Number | LD111-0026-0524 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Volumatic Inc Dba Volumatic Inc |
| Status | ACTIVE |
| Head Height | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Fastener Length | 1.952 INCHES MINIMUM AND 1.982 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 5629 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.442 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | QQ-P-35 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Width Between Flats | 0.457 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| LD111-0026-0524 PRIMARY | Volumatic Inc Dba Volumatic Inc (USA) |
| LD111-0026-0524 PRIMARY | Pro-Fab, Llc (USA) |
| LD111-0026-0524 PRIMARY | Harlow Aerostructures, Llc (USA) |
| LD111-0026-0524 PRIMARY | C. E. Machine Co., Inc. (USA) |
| LD111-0026-0524 PRIMARY | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| LD111-0026-0524 PRIMARY | Aero Components, Llc (USA) |
| LD111-0026-0524 PRIMARY | Malones Cnc Machining Inc (USA) |
| LD111-0026-0524 PRIMARY | Nordam Group Llc, the Div Nordam (USA) |
| LD111-0026-0524 PRIMARY | Tect Hypervelocity, Inc. (USA) |
| LD111-0026-0524 PRIMARY | Infinity Fabrication, Inc. (USA) |
| LD111-0026-0524 PRIMARY | Camnetics Manufacturing Corporation (USA) |
| LD111-0026-0524 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5306-01-167-2403 is a Bolt,close Tolerance, manufactured by Volumatic Inc Dba Volumatic Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-167-2403 has 12 manufacturer part numbers on file: LD111-0026-0524 (Volumatic Inc Dba Volumatic Inc), LD111-0026-0524 (Pro-Fab, Llc), LD111-0026-0524 (Harlow Aerostructures, Llc), LD111-0026-0524 (C. E. Machine Co., Inc.), LD111-0026-0524 (D-J Engineering Inc Dba D-J Engineering Inc) and 7 more.
Key specifications for LD111-0026-0524: Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Fastener Length: 1.952 INCHES MINIMUM AND 1.982 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 5629 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.442 INCHES MINIMUM AND 0.492 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.