The Bolt,shoulder, cataloged under National Stock Number 5306-00-142-4907, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-142-4907 |
| Primary Part Number | 4J33042-101B |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Extended Washer Thickness | 0.060 INCHES NOMINAL IN |
| Head Height | 0.210 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Fastener Length | 1.425 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN |
| Shoulder Length | 0.995 INCHES NOMINAL FIRST SHOULDER IN |
| Extended Washer Diameter | 0.590 INCHES NOMINAL IN |
| Shoulder Diameter | 0.3110 INCHES MINIMUM AND 0.3115 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.430 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.188 INCHES NOMINAL FIRST HOLE IN |
| 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 |
|---|---|
| 4J33042-101B | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 4J33042-101B | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (USA) |
| 4J33042-101B | Caprice Engineering Company, Inc. (USA) |
| 4J33042-101B | Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc (USA) |
| Reference | Meaning |
|---|---|
| 4J33042-101B | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-142-4907 is a Bolt,shoulder, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-142-4907 has 4 manufacturer part numbers on file: 4J33042-101B (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 4J33042-101B (Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing), 4J33042-101B (Caprice Engineering Company, Inc.), 4J33042-101B (Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc).
Key specifications for 4J33042-101B: Extended Washer Thickness: 0.060 INCHES NOMINAL IN; Head Height: 0.210 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN; Fastener Length: 1.425 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN; Shoulder Length: 0.995 INCHES NOMINAL FIRST SHOULDER IN. 19 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.