PartsTable TECHNICAL DATA SHEET

NSN 4420-01-182-4378Government record, cited

Shift Unit Axle Carriage4420-01-182-4378

NSN 4420-01-182-4378 · NIIN 011824378 · Part number 128956C

Oshkosh Defense Llc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 75Q65

Government record, cited

NSN 4420-01-182-4378 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-182-4378. Manufacturer of record part number: 128956C.

Also searched as 4420-01-182-4378 · 4420011824378 · NIIN 011824378 · 01-182-4378 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 75Q65 · 128956C

Nearby stock numbers ← 4420-01-182-2242 Bundle Assembly · 4420-01-182-9284 Parts Kit, Bonnet, Fluid Cooler →

Features

Shift Unit Axle Carriage — FSC 4420
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 4420-01-182-4378
NIIN: 011824378
FSC: 4420 — Heat Exchangers and Steam Condensers
FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
Primary part number: 128956C
Manufacturer: Oshkosh Defense Llc

General Description

The Shift Unit Axle Carriage, cataloged under National Stock Number 4420-01-182-4378, 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 Oshkosh Defense Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Shift Unit Axle Carriage
FSC / FSG	4420 — Heat Exchangers and Steam Condensers (FSG 44)
Manufacturers	Oshkosh Defense Llc (CAGE 75Q65)

Technical Specifications

Parameter	Value
NSN	4420-01-182-4378
Primary Part Number	128956C
Item Name	Shift Unit Axle Carriage
FSC / FSG	4420 / 44 — Heat Exchangers and Steam Condensers
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
128956C PRIMARY	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
128956C	5/9 Secondary reference Oshkosh Corp

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 4420-01-182-4378?

NSN 4420-01-182-4378 is a Shift Unit Axle Carriage, manufactured by Oshkosh Defense Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-182-4378?

NSN 4420-01-182-4378 has 1 manufacturer part number on file: 128956C (Oshkosh Defense Llc).

Is NSN 4420-01-182-4378 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.

PartsTable Design LLC · partstable.com