NSN 4420-01-671-5457 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-671-5457. Manufacturer of record part number: B-702-A4-F-BR-CN-B-Z.
Also searched as4420-01-671-5457 ·
4420016715457 ·
NIIN 016715457 ·
01-671-5457 ·
FSC 4420 Heat Exchangers and Steam Condensers · CAGE 09UZ1 · B-702-A4-F-BR-CN-B-Z
The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-671-5457, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Southwest Thermal Technology Incorporated. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
Other items in FSC 4420 — Heat Exchangers and Steam Condensers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 4420-01-671-5457?
NSN 4420-01-671-5457 is a Cooler,fluid,industrial, manufactured by Southwest Thermal Technology Incorporated, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
What part numbers are listed for NSN 4420-01-671-5457?
NSN 4420-01-671-5457 has 1 manufacturer part number on file: B-702-A4-F-BR-CN-B-Z (Southwest Thermal Technology Incorporated).
What are the specifications of B-702-A4-F-BR-CN-B-Z?
Key specifications for B-702-A4-F-BR-CN-B-Z: Diameter: 0.250 INCHES NOMINAL IN; Special Features: FOUR PASS; COOLING TUBE MATL CUNI; END BONNET MATL BRONZE; ZINC ANODES; MAX SHELL PRESSURE 250 PSI; MAX TUBE SIDE PRESSURE 150 PSI; End Item Identification: HEAT EXCHANGER P/N B-702-A4-F-CN-B-Z; Material: BRASS SHELL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4420-01-671-5457 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.