Rod, Fluid Cooler4420-00-413-2845

NSN 4420-00-413-2845 · NIIN 004132845 · Part number FW90-4

Gross Mechanical Laboratories Inc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 72922

Government record, cited

NSN 4420-00-413-2845 — this item is cataloged by the U.S. Government under National Stock Number 4420-00-413-2845. Manufacturer of record part number: FW90-4.

Also searched as 4420-00-413-2845 · 4420004132845 · NIIN 004132845 · 00-413-2845 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 72922 · FW90-4

Nearby stock numbers ← 4420-00-413-2842 · 4420-00-413-8216 →

Features

Rod,fluid Cooler — FSC 4420
1 manufacturer part number on file
Manufacturer of record: Gross Mechanical Laboratories Inc

Identification

NSN: 4420-00-413-2845
NIIN: 004132845
FSC: 4420 — Heat Exchangers and Steam Condensers
FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
Primary part number: FW90-4
Manufacturer: Gross Mechanical Laboratories Inc

General Description

The Rod,fluid Cooler, cataloged under National Stock Number 4420-00-413-2845, 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 Gross Mechanical Laboratories Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4420-00-413-2845
Primary Part Number	FW90-4
Item Name	Rod,fluid Cooler
FSC / FSG	4420 / 44 — Heat Exchangers and Steam Condensers
Manufacturer	Gross Mechanical Laboratories Inc
Status	ACTIVE

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

Cross-Reference Index

Part Number	Manufacturer
FW90-4 PRIMARY	Gross Mechanical Laboratories Inc (USA)

No interchangeability data on file.

Other items in FSC 4420 — Heat Exchangers and Steam Condensers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4420-00-003-2812

CORE ASSEMBLY,FLUID HEATER,INDUS

4420-00-004-1071

4420-00-004-1071 · Item name not on file

4420-00-004-1072

4420-00-004-1072 · Item name not on file

4420-00-004-1073

4420-00-004-1073 · Item name not on file

4420-00-004-1074

4420-00-004-1074 · Item name not on file

4420-00-004-3860

COOLER,FLUID,INDUSTRIAL

4420-00-004-5260

4420-00-004-5260 · Item name not on file

4420-00-005-2335

PURGE ORIFICE ASSEMBLY

Frequently Asked Questions

What is NSN 4420-00-413-2845?

NSN 4420-00-413-2845 is a Rod,fluid Cooler, manufactured by Gross Mechanical Laboratories Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-00-413-2845?

NSN 4420-00-413-2845 has 1 manufacturer part number on file: FW90-4 (Gross Mechanical Laboratories Inc).

What are the specifications of FW90-4?

Key specifications for FW90-4: End Item Identification: 19253753002,TUG,HARBOR,DESIGN 3004. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4420-00-413-2845 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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