PartsTable TECHNICAL DATA SHEET

NSN 2590-01-526-0826Government record, cited

Boom Section, Outer, Crane2590-01-526-0826

NSN 2590-01-526-0826 · NIIN 015260826 · Part number 4KK630

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

Government record, cited

NSN 2590-01-526-0826 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-526-0826. Manufacturer of record part number: 4KK630.

Also searched as 2590-01-526-0826 · 2590015260826 · NIIN 015260826 · 01-526-0826 · FSC 2590 Miscellaneous Vehicular Components · CAGE 75Q65 · 4KK630 · 499-2407 · 499-4663

Nearby stock numbers ← 2590-01-526-0644 Cable and Conduit Assembly, Vehic · 2590-01-526-3175 Step Assembly, Vehicular →

Features

Boom Section,outer,crane — FSC 2590
2 manufacturer part numbers on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 2590-01-526-0826
NIIN: 015260826
FSC: 2590 — Miscellaneous Vehicular Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 4KK630
Manufacturer: Oshkosh Defense Llc

General Description

The Boom Section,outer,crane, cataloged under National Stock Number 2590-01-526-0826, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Boom Section,outer,crane
FSC / FSG	2590 — Miscellaneous Vehicular Components (FSG 25)
Manufacturers	Oshkosh Defense Llc (CAGE 75Q65); Hiab Usa Inc (CAGE 34914)

Technical Specifications

Parameter	Value
NSN	2590-01-526-0826
Primary Part Number	4KK630
Item Name	Boom Section,outer,crane
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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
4KK630 PRIMARY	Oshkosh Defense Llc (USA)
499-2407	Hiab Usa Inc (USA)

Reference documents

Reference	Meaning
4KK630	3/9 Design control — primary reference Oshkosh Corp
499-4663	D/9 Drawing number reference only Hiab Usa Inc

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 2590-01-526-0826?

NSN 2590-01-526-0826 is a Boom Section,outer,crane, manufactured by Oshkosh Defense Llc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.

What part numbers are listed for NSN 2590-01-526-0826?

NSN 2590-01-526-0826 has 2 manufacturer part numbers on file: 4KK630 (Oshkosh Defense Llc), 499-2407 (Hiab Usa Inc).

Is NSN 2590-01-526-0826 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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