The Bolt,machine, cataloged under National Stock Number 5306-01-183-2244, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-183-2244 |
| Primary Part Number | 1881-451 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Extended Washer Thickness | 0.082 INCHES NOMINAL IN |
| Head Height | 0.276 INCHES NOMINAL IN |
| Fastener Length | 0.560 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Thread Length | 0.435 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 1881-451 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1881-451 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5306-01-183-2244 is a Bolt,machine, manufactured by Goodrich Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-183-2244 has 1 manufacturer part number on file: 1881-451 (Goodrich Corporation).
Key specifications for 1881-451: Extended Washer Thickness: 0.082 INCHES NOMINAL IN; Head Height: 0.276 INCHES NOMINAL IN; Fastener Length: 0.560 INCHES NOMINAL IN; Extended Washer Diameter: 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN. 14 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.