The Poppet Assembly, cataloged under National Stock Number 1660-00-919-2178, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | Poppet Assembly |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (CAGE 09790) |
| Parameter | Value |
|---|---|
| NSN | 1660-00-919-2178 |
| Primary Part Number | 13104-9 |
| Item Name | Poppet Assembly |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 13104-9 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
NSN 1660-00-919-2178 is a Poppet Assembly, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-919-2178 has 1 manufacturer part number on file: 13104-9 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-294-1591. 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.
NSN 1660-00-919-2178 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.