The Tube,transfer,valve, cataloged under National Stock Number 1660-01-202-6433, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-202-6433 |
| Primary Part Number | 727598-3 |
| Item Name | Tube,transfer,valve |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| FSC Application Data | VALVE,PRESSURE REGULATING |
| General Characteristics Item Description | STEEL COMP 304; 0.220 LG; INSIDE DIA. 0.1145 IN. MIN. TO 0.1175 IN. MAX.; OUTSIDE DIA. 0.1870 IN. MIN. TO 0.1875 IN. MAX.; TUBE ENDS CHAMFERED 45 DEG. IN |
| 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 |
|---|---|
| 727598-3 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 1660-01-202-6433 is a Tube,transfer,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-202-6433 has 1 manufacturer part number on file: 727598-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 727598-3: FSC Application Data: VALVE,PRESSURE REGULATING; General Characteristics Item Description: STEEL COMP 304; 0.220 LG; INSIDE DIA. 0.1145 IN. MIN. TO 0.1175 IN. MAX.; OUTSIDE DIA. 0.1870 IN. MIN. TO 0.1875 IN. MAX.; TUBE ENDS CHAMFERED 45 DEG. IN; End Item Identification: B-52 G/H ACFT G. 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 1660-01-202-6433 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.