The Key,machine, cataloged under National Stock Number 5315-00-291-8162, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-00-291-8162 |
| Primary Part Number | TC442T |
| Item Name | Key,machine |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Key Chamfer Angle | 45.0 DEGREES NOMINAL |
| Starting Edge Shape | CHAMFERED |
| Style Designator | OCTAGON SHAPE |
| Material Document and Classification | MIL-S-16782 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Key Chamfer Length | 0.016 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 OVERALL |
| 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 |
|---|---|
| TC442T PRIMARY | Siemens Energy, Inc. (USA) |
| G8786PC45 PRIMARY | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 389903PC45 | 3/2 Design control — primary reference U.S. Government activity |
| 389903PPC45 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-00-291-8162 is a Key,machine, manufactured by Siemens Energy, Inc., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-291-8162 has 2 manufacturer part numbers on file: TC442T (Siemens Energy, Inc.), G8786PC45 (Siemens Energy, Inc.).
Key specifications for TC442T: Overall Height: 0.188 INCHES NOMINAL IN; Key Chamfer Angle: 45.0 DEGREES NOMINAL; Starting Edge Shape: CHAMFERED; Style Designator: OCTAGON SHAPE. 6 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.