The Retainer,regulator, cataloged under National Stock Number 1660-01-044-9336, 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 Cef Industries, Llc Dba Cef Industries Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-044-9336 |
| Primary Part Number | 8249-22 |
| Item Name | Retainer,regulator |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Cef Industries, Llc Dba Cef Industries Inc |
| Status | ACTIVE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 8249-22 | Cef Industries, Llc Dba Cef Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 2721641 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-044-9336 is a Retainer,regulator, manufactured by Cef Industries, Llc Dba Cef Industries Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-044-9336 has 1 manufacturer part number on file: 8249-22 (Cef Industries, Llc Dba Cef Industries Inc).
2 possible matches (shared part number, not a government interchangeability claim): 2530-01-241-5600, 5895-01-494-2966. Verify interchangeability with system specifications before substitution.
Key specifications for 8249-22: End Item Identification: 1660010055847. 0 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 1660-01-044-9336 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.