The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-478-7409, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-478-7409 |
| Primary Part Number | 3418750 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Fastener Length | 4.000 INCHES NOMINAL IN |
| Material Document and Classification | SAE J429 GR8 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 8 |
| 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 |
|---|---|
| 3418750 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 3063015 | 5/9 Secondary reference Oshkosh Corp |
| 3418750 | 3/9 Design control — primary reference Oshkosh Corp |
NSN 5305-01-478-7409 is a Screw,cap,hexagon Head, manufactured by Oshkosh Defense Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-478-7409 has 1 manufacturer part number on file: 3418750 (Oshkosh Defense Llc).
Key specifications for 3418750: Fastener Length: 4.000 INCHES NOMINAL IN; Material Document and Classification: SAE J429 GR8 ASSN STD ALL MATERIAL RESPONSES OVERALL; Thread Direction: RIGHT-HAND; Special Features: FINISH PHOSPHATE/OIL COATING. 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.