The Adapter,air Inlet,heat Exchanger, cataloged under National Stock Number 1660-01-003-7908, 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 Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-003-7908 |
| Primary Part Number | 28A210 |
| Item Name | Adapter,air Inlet,heat Exchanger |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc |
| Status | ACTIVE |
| General Characteristics Item Description | 4.750 IN. LENGTH; 3.143 IN. OUTSIDE DIAMETER OF CABLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 28A210 PRIMARY | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA) |
| Reference | Meaning |
|---|---|
| 28A209 | 5/9 Secondary reference Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc |
NSN 1660-01-003-7908 is a Adapter,air Inlet,heat Exchanger, manufactured by Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-003-7908 has 1 manufacturer part number on file: 28A210 (Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc).
Key specifications for 28A210: General Characteristics Item Description: 4.750 IN. LENGTH; 3.143 IN. OUTSIDE DIAMETER OF CABLE IN. 1 specification is 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.
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.