The Indicator Assembly,reservoir, cataloged under National Stock Number 1660-00-322-0902, 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2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1660-00-322-0902 |
| Item Name | Indicator Assembly,reservoir |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| FSC Application Data | F15 ACFT |
| General Characteristics Item Description | CONSISTS OF GUIDE ASSY,TRIPPER ASSY,HOUSING,ACTUATOR,MICRO SWITCH ASSY,MAGNET ASSY,PLATE COVER,INDICATOR BUTTON |
| 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 |
|---|---|
| 31-10161 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-00-322-0902 is a Indicator Assembly,reservoir, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1560-01-679-3708. Verify interchangeability with system specifications before substitution.
Key specifications for 1660-00-322-0902: FSC Application Data: F15 ACFT; General Characteristics Item Description: CONSISTS OF GUIDE ASSY,TRIPPER ASSY,HOUSING,ACTUATOR,MICRO SWITCH ASSY,MAGNET ASSY,PLATE COVER,INDICATOR BUTTON; End Item Identification: RESERVOIR ASSEMBLY UA534121-7. 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 1660-00-322-0902 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.