NSN 4520-01-003-1474 · NIIN 010031474 · Part number TRF3094
Drs Environmental Systems Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 5RQL2
Government record, cited
NSN 4520-01-003-1474 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-003-1474. Manufacturer of record part number: TRF3094.
Also searched as4520-01-003-1474 ·
4520010031474 ·
NIIN 010031474 ·
01-003-1474 ·
FSC 4520 Space and Water Heating Equipment · CAGE 5RQL2 · TRF3094
General Characteristics Item Description: 4.625 IN LG IN
1 manufacturer part number on file
Manufacturer of record: Drs Environmental Systems Inc
Identification
NSN: 4520-01-003-1474
NIIN: 010031474
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: TRF3094
Manufacturer: Drs Environmental Systems Inc
General Description
The Drain Tube,heat Exchanger, cataloged under National Stock Number 4520-01-003-1474, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Drs Environmental Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE
Frequently Asked Questions
What is NSN 4520-01-003-1474?
NSN 4520-01-003-1474 is a Drain Tube,heat Exchanger, manufactured by Drs Environmental Systems Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-003-1474?
NSN 4520-01-003-1474 has 1 manufacturer part number on file: TRF3094 (Drs Environmental Systems Inc).
What are the specifications of TRF3094?
Key specifications for TRF3094: General Characteristics Item Description: 4.625 IN LG IN; End Item Identification: HEATER,BT400&43 TYPE H&1. 1 specification is documented in the U.S. Government catalog.
Is NSN 4520-01-003-1474 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.