The Heat Exchanger,fluid to Air, cataloged under National Stock Number 1660-00-293-5876, 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 Triumph Thermal Systems, Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1660-00-293-5876 |
| Primary Part Number | UA534116-6 |
| Item Name | Heat Exchanger,fluid to Air |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Triumph Thermal Systems, Llc |
| Status | ACTIVE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| UA534116-6 PRIMARY | Triumph Thermal Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| LE362-0004-0001 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| UA534116-1 | 5/9 Secondary reference Triumph Thermal Systems, Llc |
NSN 1660-00-293-5876 is a Heat Exchanger,fluid to Air, manufactured by Triumph Thermal Systems, Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-293-5876 has 1 manufacturer part number on file: UA534116-6 (Triumph Thermal Systems, Llc).
Key specifications for UA534116-6: Special Features: FLUID MEDIA,ENGINE BLEED AIR AND COOLANT (COOLANOL 25 OR FLO-COOL 180);HEAT LOAD 7.9 KW(MAX); FLOWRATES,AIR 23.8 LB/MIN AT SEA LEVEL, 17.5 LB/MIN AT 6,000 FT., AT 5.46 TO 15.65 PSID; COOLANT, 5 GPM AT 150PSIG (170 PSIG TRANSIET); COOLANT TEMPERATURE'S INLET 145 DEG F(MAX), OUTLET 115 DEG F(MAX) LBS; End Item Identification: F-15A/B A. 0 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 1660-00-293-5876 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.