The Bolt,machine, cataloged under National Stock Number 5306-01-221-3149, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-221-3149 |
| Primary Part Number | 74D111103-2083 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Head Height | 0.156 INCHES NOMINAL IN |
| Fastener Length | 3.516 INCHES MINIMUM AND 3.546 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.470 INCHES NOMINAL IN |
| Thread Length | 0.830 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | COPPER ALLOY 172 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.813 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 |
|---|---|
| 74D111103-2083 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5306-01-221-3149 is a Bolt,machine, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-221-3149 has 1 manufacturer part number on file: 74D111103-2083 (The Boeing Company Div Defense).
Key specifications for 74D111103-2083: Extended Washer Thickness: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN; Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 3.516 INCHES MINIMUM AND 3.546 INCHES MAXIMUM IN; Extended Washer Diameter: 0.470 INCHES NOMINAL 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.