The Valve, cataloged under National Stock Number 1660-01-008-2655, 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 B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Embraer Aviation International (CAGE FB459); B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems (CAGE 16827); Embraer S.a. (CAGE 001JK) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-008-2655 |
| Primary Part Number | 170003 |
| Item Name | Valve |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems |
| 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 |
|---|---|
| 6513584 | Embraer Aviation International (FRA) |
| 170003 PRIMARY | B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems (USA) |
| 6513584 | Embraer S.a. (BRA) |
| ZV933 PRIMARY | B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems (USA) |
| Reference | Meaning |
|---|---|
| 6513584 | 5/9 Secondary reference Embraer Empresa Brasileira De Aeronautica Sa |
NSN 1660-01-008-2655 is a Valve, manufactured by B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-008-2655 has 4 manufacturer part numbers on file: 6513584 (Embraer Aviation International), 170003 (B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems), 6513584 (Embraer S.a.), ZV933 (B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems).
3 possible matches (shared part number, not a government interchangeability claim): 6750-01-427-1722, 4320-01-527-5806, 6625-01-580-6505. 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 1660-01-008-2655 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.