The Key,impeller, cataloged under National Stock Number 5315-00-159-2811, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Key,impeller |
| FSC / FSG | 5315 — Nails, Machine Keys, and Pins (FSG 53) |
| Manufacturers | Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9); Ingersoll Rand Co (CAGE 30760) |
| Parameter | Value |
|---|---|
| NSN | 5315-00-159-2811 |
| Primary Part Number | 11A9-Y-78 |
| Item Name | Key,impeller |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 5315-00-159-2811 is a Key,impeller, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-159-2811 has 2 manufacturer part numbers on file: 11A9-Y-78 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 11A9-Y-78 (Ingersoll Rand Co).
1 possible match (shared part number, not a government interchangeability claim): 5315-00-231-7028. Verify interchangeability with system specifications before substitution.
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.