The Bolt,shoulder, cataloged under National Stock Number 5306-01-146-8158, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-146-8158 |
| Primary Part Number | 65123-11312-102 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Head Height | 0.562 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN |
| Fastener Length | 6.390 INCHES NOMINAL IN |
| Shoulder Length | 5.680 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 1.122 INCHES MINIMUM AND 1.124 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.585 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 106900 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 4340 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 | F |
| Part Number | Manufacturer |
|---|---|
| 65123-11312-102 | Acufast Aircraft Products (USA) |
| 65123-11312-102 | Richard Manufacturing Co., Inc. Dba Richard Manufacturing Co Inc (USA) |
| 65123-11312-102 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 65123-11312-102 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| 65123-11312-102 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 65123-11312-102 | Southern Connecticut Tool Inc (USA) |
| Reference | Meaning |
|---|---|
| 65123-11312 | 5/9 Secondary reference Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co |
NSN 5306-01-146-8158 is a Bolt,shoulder, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-146-8158 has 6 manufacturer part numbers on file: 65123-11312-102 (Acufast Aircraft Products), 65123-11312-102 (Richard Manufacturing Co., Inc. Dba Richard Manufacturing Co Inc), 65123-11312-102 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co), 65123-11312-102 (M.s. Aerospace Inc. Dba Ms Aerospace Inc), 65123-11312-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp) and 1 more.
Key specifications for 65123-11312-102: Head Height: 0.562 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN; Fastener Length: 6.390 INCHES NOMINAL IN; Shoulder Length: 5.680 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 1.122 INCHES MINIMUM AND 1.124 INCHES MAXIMUM FIRST SHOULDER IN. 16 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.