NSN 2520-01-025-7719 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-025-7719. Manufacturer of record part number: 74839705.
Also searched as2520-01-025-7719 ·
2520010257719 ·
NIIN 010257719 ·
01-025-7719 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 0AHU0 · 74839705 · 4839705-3
Nearby stock numbers← 2520-01-025-7708 Shaft, Axle, Automotive
·
2520-01-025-7885 Parts Kit, Driving Axle Different →
Features
Differential,driving Axle — FSC 2520
Speed Adjustments: SINGLE SPEED
Propeller Shaft Yoke: NOT INCLUDED
Manufacturer Name: ALLIS-CHALMERS MFG CO
Carrier: NOT INCLUDED
Drive Gear Type: WORM
Axle Type for Which Designed: SPLIT
Specific Use: AXLE, FRONT DRIVING
Identification
NSN: 2520-01-025-7719
NIIN: 010257719
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 74839705
Manufacturer: Kalmar AC Inc
General Description
The Differential,driving Axle, cataloged under National Stock Number 2520-01-025-7719, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 10 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2520-01-025-7719
Primary Part Number
74839705
Item Name
Differential,driving Axle
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Manufacturer
Kalmar AC Inc
Status
ACTIVE
Speed Adjustments
SINGLE SPEED
Propeller Shaft Yoke
NOT INCLUDED
Manufacturer Name
ALLIS-CHALMERS MFG CO
Carrier
NOT INCLUDED
Drive Gear Type
WORM
Axle Type for Which Designed
SPLIT
Specific Use
AXLE, FRONT DRIVING
Manufacturer Identifying Number
MODEL FP40/50
Power Divider
NOT INCLUDED
Propeller Shaft Flange
NOT INCLUDED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-005-4937
CLUTCH PACKAGE
2520-00-006-6257
2520-00-006-6257 · Item name not on file
2520-00-008-9977
SPIDER,UNIVERSAL JOINT,VEHICULAR
2520-00-039-6567
SOCKET
2520-00-242-3316
CLUTCH ASSEMBLY,HUB
2520-00-358-3905
COVER
2520-00-366-7191
COLLAR,SHAFT LINKAGE
2520-00-708-6603
COVER CONTROL LEVER
Frequently Asked Questions
What is NSN 2520-01-025-7719?
NSN 2520-01-025-7719 is a Differential,driving Axle, manufactured by Kalmar AC Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-025-7719?
NSN 2520-01-025-7719 has 2 manufacturer part numbers on file: 74839705 (Kalmar AC Inc), 4839705-3 (Kalmar AC Inc).
What are the specifications of 74839705?
Key specifications for 74839705: Speed Adjustments: SINGLE SPEED; Propeller Shaft Yoke: NOT INCLUDED; Manufacturer Name: ALLIS-CHALMERS MFG CO; Carrier: NOT INCLUDED. 10 specifications are documented in the U.S. Government catalog.
Is NSN 2520-01-025-7719 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.