The Valve,butterfly Type, cataloged under National Stock Number 1660-01-167-6735, 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 Aerospace Lighting Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-167-6735 |
| Primary Part Number | 2150-1 |
| Item Name | Valve,butterfly Type |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Aerospace Lighting Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | ALUM ALLOY COMP 2024-T4;OPERATING TEMP MINUS 65.0 DEG F TO PLUS 250.0 DEG F;PART OF 1660-00-074-2197 VALVE DEGF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2150-1 PRIMARY | Aerospace Lighting Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2150-1 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-01-167-6735 is a Valve,butterfly Type, manufactured by Aerospace Lighting Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-167-6735 has 1 manufacturer part number on file: 2150-1 (Aerospace Lighting Corporation).
Key specifications for 2150-1: General Characteristics Item Description: ALUM ALLOY COMP 2024-T4;OPERATING TEMP MINUS 65.0 DEG F TO PLUS 250.0 DEG F;PART OF 1660-00-074-2197 VALVE DEGF; End Item Identification: B-1B ACFT. 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.
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.