The Key,machine, cataloged under National Stock Number 5315-01-197-4378, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-197-4378 |
| Primary Part Number | 57453AX |
| Item Name | Key,machine |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Shoulder Width | 0.030 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| Starting Edge Shape | ROUND |
| Style Designator | T SHAPE |
| Minor Width | 0.101 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Starting Edge Radius | 0.030 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 OVERALL |
| Flat Height | 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM 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 |
|---|---|
| 57453AX PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 57453AX | 5/9 Secondary reference Oshkosh Corp |
NSN 5315-01-197-4378 is a Key,machine, manufactured by Oshkosh Defense Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-197-4378 has 1 manufacturer part number on file: 57453AX (Oshkosh Defense Llc).
Key specifications for 57453AX: Overall Height: 0.218 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN; Shoulder Width: 0.030 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN; Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL; Starting Edge Shape: ROUND. 8 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.