The Bolt,machine, cataloged under National Stock Number 5306-00-089-5232, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 13 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 | 5306-00-089-5232 |
| Primary Part Number | DF1B41-2 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 4.500 INCHES NOMINAL IN |
| Thread Length | 3.000 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| DF1B41-2 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5306-00-089-5232 is a Bolt,machine, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-089-5232 has 1 manufacturer part number on file: DF1B41-2 (Naval Inventory Control Point Mechanicsburg).
Key specifications for DF1B41-2: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 4.500 INCHES NOMINAL IN; Thread Length: 3.000 INCHES MINIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN. 13 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.