The Actuator,valve, cataloged under National Stock Number 1660-01-216-0577, 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. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1660-01-216-0577 |
| Primary Part Number | 8539 |
| Item Name | Actuator,valve |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Cef Industries, Llc Dba Cef Industries Inc |
| Status | ACTIVE |
| FSC Application Data | VALVE ASSY P/N5822105-101 |
| General Characteristics Item Description | MAX. HEIGHT 3.875 IN.; APPROX 5.470 IN. LG; APPROX 2.125 IN. W IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DRAWING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8539 | Cef Industries, Llc Dba Cef Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 5822106-101 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 1660-01-216-0577 is a Actuator,valve, manufactured by Cef Industries, Llc Dba Cef Industries Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-216-0577 has 1 manufacturer part number on file: 8539 (Cef Industries, Llc Dba Cef Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-478-9367. Verify interchangeability with system specifications before substitution.
Key specifications for 8539: FSC Application Data: VALVE ASSY P/N5822105-101; General Characteristics Item Description: MAX. HEIGHT 3.875 IN.; APPROX 5.470 IN. LG; APPROX 2.125 IN. W IN; End Item Identification: B-1B ACFT; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DRAWING. 3 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 1660-01-216-0577 has DEMIL Code D. 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.