Parts Kit, Hydraulic Transmission2520-01-448-1228

NSN 2520-01-448-1228 · NIIN 014481228 · Part number 6777641

Allison Transmission Inc Dba Allison Transmission, Inc · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 73342

Government record, cited

NSN 2520-01-448-1228 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-448-1228. Manufacturer of record part number: 6777641.

Also searched as 2520-01-448-1228 · 2520014481228 · NIIN 014481228 · 01-448-1228 · FSC 2520 Vehicular Power Transmission Components · CAGE 73342 · 6777641

Nearby stock numbers ← 2520-01-448-1225 Parts Kit, Hydraulic Transmission · 2520-01-448-1765 Cooler, Fluid, Transmission →

Features

Parts Kit,hydraulic Transmission — FSC 2520
Functional Description: USED TO REPAIR HYDRAULIC TRANSMISSION
1 manufacturer part number on file
Manufacturer of record: Allison Transmission Inc Dba Allison Transmission, Inc

Identification

NSN: 2520-01-448-1228
NIIN: 014481228
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 6777641
Manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc

General Description

The Parts Kit,hydraulic Transmission, cataloged under National Stock Number 2520-01-448-1228, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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	2520-01-448-1228
Primary Part Number	6777641
Item Name	Parts Kit,hydraulic Transmission
FSC / FSG	2520 / 25 — Vehicular Power Transmission Components
Manufacturer	Allison Transmission Inc Dba Allison Transmission, Inc
Status	ACTIVE
Functional Description	USED TO REPAIR HYDRAULIC TRANSMISSION

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
6777641 PRIMARY	Allison Transmission Inc Dba Allison Transmission, Inc (USA)

No interchangeability data on file.

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 2520-01-448-1228?

NSN 2520-01-448-1228 is a Parts Kit,hydraulic Transmission, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.

What part numbers are listed for NSN 2520-01-448-1228?

NSN 2520-01-448-1228 has 1 manufacturer part number on file: 6777641 (Allison Transmission Inc Dba Allison Transmission, Inc).

What are the specifications of 6777641?

Key specifications for 6777641: Special Features: CONSISTS OF P/N 6777607 NSN 5306-00-835-2115, P/N 6778173 NSNS 5310-00-914-6704 AND P/N 6777608 NSN 2520-01-448-1225; Functional Description: USED TO REPAIR HYDRAULIC TRANSMISSION. 1 specification is documented in the U.S. Government catalog.

Is NSN 2520-01-448-1228 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.

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