PartsTable TECHNICAL DATA SHEET

NSN 2520-01-172-0396Government record, cited

Block, Spacer, Differ2520-01-172-0396

NSN 2520-01-172-0396 · NIIN 011720396 · Part number 14048427

General Motors Llc Dba General Motors Llc · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 7X677

Government record, cited

NSN 2520-01-172-0396 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-172-0396. Manufacturer of record part number: 14048427.

Also searched as 2520-01-172-0396 · 2520011720396 · NIIN 011720396 · 01-172-0396 · FSC 2520 Vehicular Power Transmission Components · CAGE 7X677 · 14048427

Nearby stock numbers ← 2520-01-172-0395 Block, Spacer, Differ · 2520-01-172-0461 →

Features

Block,spacer,differ — FSC 2520
1 manufacturer part number on file
Manufacturer of record: General Motors Llc Dba General Motors Llc

Identification

NSN: 2520-01-172-0396
NIIN: 011720396
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 14048427
Manufacturer: General Motors Llc Dba General Motors Llc

General Description

The Block,spacer,differ, cataloged under National Stock Number 2520-01-172-0396, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is General Motors Llc Dba General Motors 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Block,spacer,differ
FSC / FSG	2520 — Vehicular Power Transmission Components (FSG 25)
Manufacturers	General Motors Llc Dba General Motors Llc (CAGE 7X677)

Technical Specifications

Parameter	Value
NSN	2520-01-172-0396
Primary Part Number	14048427
Item Name	Block,spacer,differ
FSC / FSG	2520 / 25 — Vehicular Power Transmission Components
Manufacturer	General Motors Llc Dba General Motors Llc
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
14048427 PRIMARY	General Motors Llc Dba General Motors Llc (USA)

Reference documents

Reference	Meaning
14048427	5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept

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 2520-01-172-0396?

NSN 2520-01-172-0396 is a Block,spacer,differ, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.

What part numbers are listed for NSN 2520-01-172-0396?

NSN 2520-01-172-0396 has 1 manufacturer part number on file: 14048427 (General Motors Llc Dba General Motors Llc).

Is NSN 2520-01-172-0396 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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