The Finned Tube, cataloged under National Stock Number 1560-01-129-3633, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Heat Exchange Applied Technology Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1560-01-129-3633 |
| Primary Part Number | 65664-07830-102 |
| Item Name | Finned Tube |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Heat Exchange Applied Technology Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 60.750 IN. LG IN |
| Special Test Features | DESIGN PRESSURE REQUIREMENTS: 100 PSI OPERATING; 2250 PSI PROOF; 4500 PSI BURST |
| Supplementary Features | FIN MATERIAL: COPPER ASTMB152 C10200; FIN THICKNESS: .012"; FIN HEIGHT: .265"; 10 FINS PER INCH |
| Pressure Rating | ERR-060 |
| Material | STEEL CORROSION RESISTING AND COPPER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 65664-07830-102 PRIMARY | Heat Exchange Applied Technology Inc (USA) |
| 65664-07830-102 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 65664-07830-101 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 65664-07830 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 102902 | 5/9 Secondary reference Voss Industries, Llc |
NSN 1560-01-129-3633 is a Finned Tube, manufactured by Heat Exchange Applied Technology Inc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-129-3633 has 2 manufacturer part numbers on file: 65664-07830-102 (Heat Exchange Applied Technology Inc), 65664-07830-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
2 possible matches (shared part number, not a government interchangeability claim): 1660-01-594-7191, 1560-01-597-1214. Verify interchangeability with system specifications before substitution.
Key specifications for 65664-07830-102: General Characteristics Item Description: 60.750 IN. LG IN; Special Test Features: DESIGN PRESSURE REQUIREMENTS: 100 PSI OPERATING; 2250 PSI PROOF; 4500 PSI BURST; Supplementary Features: FIN MATERIAL: COPPER ASTMB152 C10200; FIN THICKNESS: .012"; FIN HEIGHT: .265"; 10 FINS PER INCH; Overall Length: 60.750 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-129-3633 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.