The Heat Exchanger,crane, cataloged under National Stock Number 3950-00-470-6779, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Hayden Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-00-470-6779 |
| Primary Part Number | 002909 |
| Item Name | Heat Exchanger,crane |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Hayden Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 27.000 IN. O/A LG; 20.000 IN. O/A W; 5.000 IN. O/A H 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 |
|---|---|
| 002909 PRIMARY | Hayden Inc (USA) |
| M20924X3Q1 | Hayden Inc (USA) |
| Reference | Meaning |
|---|---|
| 20900ABW | 5/9 Secondary reference Control Flow, Inc. Dba Control Flow Inc |
| 20900ABW | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
NSN 3950-00-470-6779 is a Heat Exchanger,crane, manufactured by Hayden Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-00-470-6779 has 2 manufacturer part numbers on file: 002909 (Hayden Inc), M20924X3Q1 (Hayden Inc).
1 possible match (shared part number, not a government interchangeability claim): 6650-00-972-8650. Verify interchangeability with system specifications before substitution.
Key specifications for 002909: General Characteristics Item Description: STEEL; 27.000 IN. O/A LG; 20.000 IN. O/A W; 5.000 IN. O/A H 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.