The Bolt,machine, cataloged under National Stock Number 5306-01-535-1241, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Tranter Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-535-1241 |
| Primary Part Number | D-4-80951ITEM29 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Tranter Inc |
| Status | ACTIVE |
| Fastener Length | 4.000 INCHES MINIMUM IN |
| Thread Length | 4.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 13 |
| 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 |
|---|---|
| D-4-80951ITEM29 PRIMARY | Tranter Inc (USA) |
| Reference | Meaning |
|---|---|
| D-4-80951ITEM29 | 3/9 Design control — primary reference Tranter Phe Inc |
NSN 5306-01-535-1241 is a Bolt,machine, manufactured by Tranter Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-535-1241 has 1 manufacturer part number on file: D-4-80951ITEM29 (Tranter Inc).
Key specifications for D-4-80951ITEM29: Fastener Length: 4.000 INCHES MINIMUM IN; Thread Length: 4.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN; Thread Direction: RIGHT-HAND. 7 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.