PartsTable TECHNICAL DATA SHEET

NSN 2590-01-597-7906Government record, cited

Radiator, Spec2590-01-597-7906

NSN 2590-01-597-7906 · NIIN 015977906 · Part number 2KK531

Oshkosh Defense Llc · FSC 2590 — Miscellaneous Vehicular Components · FSG 25 — Vehicular Equipment Components · CAGE 75Q65

Government record, cited

NSN 2590-01-597-7906 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-597-7906. Manufacturer of record part number: 2KK531.

Also searched as 2590-01-597-7906 · 2590015977906 · NIIN 015977906 · 01-597-7906 · FSC 2590 Miscellaneous Vehicular Components · CAGE 75Q65 · 2KK531

Nearby stock numbers ← 2590-01-597-7905 Mounting Band, Spec · 2590-01-597-7911 Strap, Liner, Spec →

Features

Radiator,spec — FSC 2590
2 manufacturer part numbers on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 2590-01-597-7906
NIIN: 015977906
FSC: 2590 — Miscellaneous Vehicular Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 2KK531
Manufacturer: Oshkosh Defense Llc

General Description

The Radiator,spec, cataloged under National Stock Number 2590-01-597-7906, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Radiator,spec
FSC / FSG	2590 — Miscellaneous Vehicular Components (FSG 25)
Manufacturers	Oshkosh Defense Llc (CAGE 75Q65); Broshuis (uk) Ltd (CAGE KD1W2)

Technical Specifications

Parameter	Value
NSN	2590-01-597-7906
Primary Part Number	2KK531
Item Name	Radiator,spec
FSC / FSG	2590 / 25 — Miscellaneous Vehicular Components
Manufacturer	Oshkosh Defense Llc
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
2KK531 PRIMARY	Oshkosh Defense Llc (USA)
2KK531	Broshuis (uk) Ltd (GBR)

Reference documents

Reference	Meaning
2KK531	3/9 Design control — primary reference Oshkosh Corp

No interchangeability data on file.

Other items in FSC 2590 — Miscellaneous Vehicular Components

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

2590-00-006-7503

2590-00-006-7503 · Item name not on file

2590-00-007-2356

2590-00-007-2356 · Item name not on file

2590-01-151-9629

HYDROVAC

2590-01-445-9216

VALVE,AIR CONTROL

2590-01-468-7350

WINCH,DRUM,VEHICLE MOUNTING

2590-01-600-0314

VEHICULAR AMMO POUC

2590-01-600-0319

VEHICULAR AMMO POUCH

2590-01-608-6611

BRACKET,VEHICULAR COMPONENTS

Frequently Asked Questions

What is NSN 2590-01-597-7906?

NSN 2590-01-597-7906 is a Radiator,spec, manufactured by Oshkosh Defense Llc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.

What part numbers are listed for NSN 2590-01-597-7906?

NSN 2590-01-597-7906 has 2 manufacturer part numbers on file: 2KK531 (Oshkosh Defense Llc), 2KK531 (Broshuis (uk) Ltd).

Is NSN 2590-01-597-7906 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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