The Vane Assembly,valve, cataloged under National Stock Number 1660-01-050-5845, 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 United Dynamics, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-050-5845 |
| Primary Part Number | 21047000-10 |
| Item Name | Vane Assembly,valve |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | United Dynamics, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | TUBE 1 EA P/N 503608-101 CRES 304 MIL-T-8504,VANE 1 EA P/N 503608-103 CRES 316 QQ-S-766,PASSIVATE QQ-P-35,TYPE III,2.338 IN. LG IN |
| 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 |
|---|---|
| 21047000-10 | United Dynamics, Inc (USA) |
| 04215845 | Szczypski, Michael (USA) |
| Reference | Meaning |
|---|---|
| 503608-1 | 5/9 Secondary reference U.S. Government activity |
| 503617-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-050-5845 is a Vane Assembly,valve, manufactured by United Dynamics, Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-050-5845 has 2 manufacturer part numbers on file: 21047000-10 (United Dynamics, Inc), 04215845 (Szczypski, Michael).
Key specifications for 21047000-10: General Characteristics Item Description: TUBE 1 EA P/N 503608-101 CRES 304 MIL-T-8504,VANE 1 EA P/N 503608-103 CRES 316 QQ-S-766,PASSIVATE QQ-P-35,TYPE III,2.338 IN. LG IN; End Item Identification: ACFT F16A/B U/O VALVE P/N503600. 1 specification is 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 1660-01-050-5845 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.