The Valve,nitrogen Fill, cataloged under National Stock Number 1660-01-004-3147, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-004-3147 |
| Item Name | Valve,nitrogen Fill |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| FSC Application Data | ACFT AIRCONDITIONING SYS |
| General Characteristics Item Description | 4.41 IN. LG,3.36 IN. MAX W,APPROX 3.7675 IN. H 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 |
| Reference | Meaning |
|---|---|
| 23111318 | 7/2 Vendor item drawing reference U.S. Government activity |
| 204-13029-21 | 3/2 Design control — primary reference U.S. Government activity |
| 23111318-1 | 5/2 Secondary reference U.S. Government activity |
NSN 1660-01-004-3147 is a Valve,nitrogen Fill, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-01-004-3147: FSC Application Data: ACFT AIRCONDITIONING SYS; General Characteristics Item Description: 4.41 IN. LG,3.36 IN. MAX W,APPROX 3.7675 IN. H IN; End Item Identification: E3A ACFT. 2 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 1660-01-004-3147 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.