The Parts Kit,valve Overhaul, cataloged under National Stock Number 1660-00-960-5590, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1660-00-960-5590 |
| Primary Part Number | 650980-4 |
| Item Name | Parts Kit,valve Overhaul |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| FSC Application Data | REFRIGERATION UNIT,ACFT |
| General Characteristics Item Description | 41 ITEMS,FSCM 70210 KIT LIST NO. 650980-4,3 PAGES,USED ON VALVE P/N 104568 FSCM 70210 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 650980-3 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 650980-4 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 650980-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 650980-3 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 650980-1 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 1660-00-960-5590 is a Parts Kit,valve Overhaul, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-960-5590 has 3 manufacturer part numbers on file: 650980-3 (Honeywell International Inc. Div Aerospace - Torrance), 650980-4 (Honeywell International Inc. Div Aerospace - Torrance), 650980-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 650980-4: FSC Application Data: REFRIGERATION UNIT,ACFT; General Characteristics Item Description: 41 ITEMS,FSCM 70210 KIT LIST NO. 650980-4,3 PAGES,USED ON VALVE P/N 104568 FSCM 70210. 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 1660-00-960-5590 has DEMIL Code B. 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.