The Ring,regulator, cataloged under National Stock Number 1660-00-991-4161, 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 Rocker Solenoid Co Dba Rocker Solenoid Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,regulator |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Rocker Solenoid Co Dba Rocker Solenoid Co (CAGE 07797) |
| Parameter | Value |
|---|---|
| NSN | 1660-00-991-4161 |
| Primary Part Number | 11982-8 |
| Item Name | Ring,regulator |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Rocker Solenoid Co Dba Rocker Solenoid Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 11982-8 PRIMARY | Rocker Solenoid Co Dba Rocker Solenoid Co (USA) |
NSN 1660-00-991-4161 is a Ring,regulator, manufactured by Rocker Solenoid Co Dba Rocker Solenoid Co, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-991-4161 has 1 manufacturer part number on file: 11982-8 (Rocker Solenoid Co Dba Rocker Solenoid Co).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-531-2488. Verify interchangeability with system specifications before substitution.
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 1660-00-991-4161 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.