PartsTable TECHNICAL DATA SHEET

NSN 4420-00-280-0780Government record, cited

Cooler, Fluid, Industrial4420-00-280-0780

NSN 4420-00-280-0780 · NIIN 002800780 · Part number 117937

Young Touchstone Company Div Young Touchstone · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 67049

Government record, cited

NSN 4420-00-280-0780 — this item is cataloged by the U.S. Government under National Stock Number 4420-00-280-0780. Manufacturer of record part number: 117937.

Also searched as 4420-00-280-0780 · 4420002800780 · NIIN 002800780 · 00-280-0780 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 67049 · 117937 · 774667

Nearby stock numbers ← 4420-00-278-9667 Cooler, Fluid, Industrial · 4420-00-287-3646 Heater, Fluid, Industrial →

Features

Cooler,fluid,industrial — FSC 4420
Heat Transfer Method: INDIRECT
Length: 22.312 INCHES NOMINAL IN
Effective Heat Transfer Surface Area: 8.000 SQUARE FEET
Height: 5.000 INCHES NOMINAL IN
Width: 5.687 INCHES NOMINAL IN
Material: STEEL SHELL
2 manufacturer part numbers on file

Identification

NSN: 4420-00-280-0780
NIIN: 002800780
FSC: 4420 — Heat Exchangers and Steam Condensers
FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
Primary part number: 117937
Manufacturer: Young Touchstone Company Div Young Touchstone

General Description

The Cooler,fluid,industrial, cataloged under National Stock Number 4420-00-280-0780, 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 Young Touchstone Company Div Young Touchstone. Government technical data includes 6 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4420-00-280-0780
Primary Part Number	117937
Item Name	Cooler,fluid,industrial
FSC / FSG	4420 / 44 — Heat Exchangers and Steam Condensers
Manufacturer	Young Touchstone Company Div Young Touchstone
Status	ACTIVE
Heat Transfer Method	INDIRECT
Length	22.312 INCHES NOMINAL IN
Effective Heat Transfer Surface Area	8.000 SQUARE FEET
Height	5.000 INCHES NOMINAL IN
Width	5.687 INCHES NOMINAL IN
Material	STEEL SHELL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 3

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5998-01-021-3505117937 POSSIBLE MATCH

CIRCUIT CARD ASSEMBLY

Possible match (shared part number)Bae Systems Information and Electronic Systems Integration Inc.

6515-01-428-76281179-37 POSSIBLE MATCH

IMPLANT,TIBIAL PLATFORM

Possible match (shared part number)Depuy Inc

1005-01-702-5305117937 POSSIBLE MATCH

SUPPRESSOR,SMALL ARMS WEAPON

Possible match (shared part number)Charles Reed Knight Jr Dba Knight's Armament Company

Cross-Reference Index

Part Number	Manufacturer
774667	Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
117937 PRIMARY	Young Touchstone Company Div Young Touchstone (USA)

Related Parts

5998-01-021-3505POSSIBLE MATCH

CIRCUIT CARD ASSEMBLY

117937

6515-01-428-7628POSSIBLE MATCH

IMPLANT,TIBIAL PLATFORM

1179-37

1005-01-702-5305POSSIBLE MATCH

SUPPRESSOR,SMALL ARMS WEAPON

117937

Frequently Asked Questions

What is NSN 4420-00-280-0780?

NSN 4420-00-280-0780 is a Cooler,fluid,industrial, manufactured by Young Touchstone Company Div Young Touchstone, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-00-280-0780?

NSN 4420-00-280-0780 has 2 manufacturer part numbers on file: 774667 (Lockheed Martin Corporation Div Rms - Mitchel Field), 117937 (Young Touchstone Company Div Young Touchstone).

What NSN replaces 4420-00-280-0780?

3 possible matches (shared part number, not a government interchangeability claim): 5998-01-021-3505, 6515-01-428-7628, 1005-01-702-5305. Verify interchangeability with system specifications before substitution.

What are the specifications of 117937?

Key specifications for 117937: Heat Transfer Method: INDIRECT; Length: 22.312 INCHES NOMINAL IN; Effective Heat Transfer Surface Area: 8.000 SQUARE FEET; Height: 5.000 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4420-00-280-0780 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.

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