The Parts Kit,air Flow Regulator, cataloged under National Stock Number 1660-00-441-0589, 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 Sabreliner Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 1660-00-441-0589 |
| Primary Part Number | 2501-100 |
| Item Name | Parts Kit,air Flow Regulator |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Sabreliner Corporation |
| Status | ACTIVE |
| Component Quantity | 79 |
| Unit Package Quantity | 23 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 1660-00-441-0589 is a Parts Kit,air Flow Regulator, manufactured by Sabreliner Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-441-0589 has 3 manufacturer part numbers on file: 2501-100 (Sabreliner Corporation), 2501-100 (Kitco Llc), 2501-100 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company).
1 possible match (shared part number, not a government interchangeability claim): 6320-01-087-5284. Verify interchangeability with system specifications before substitution.
Key specifications for 2501-100: Component Quantity: 79; Unit Package Quantity: 23. 2 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.
NSN 1660-00-441-0589 has DEMIL Code Q. 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.