PartsTable TECHNICAL DATA SHEET

NSN 2520-01-185-2653Government record, cited

Ring2520-01-185-2653

NSN 2520-01-185-2653 · NIIN 011852653 · Part number 7J1938

Caterpillar Inc Div Caterpillar Defense · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 11083

Government record, cited

NSN 2520-01-185-2653 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-185-2653. Manufacturer of record part number: 7J1938.

Also searched as 2520-01-185-2653 · 2520011852653 · NIIN 011852653 · 01-185-2653 · FSC 2520 Vehicular Power Transmission Components · CAGE 11083 · 7J1938 · IPD8J1938 · IPD7J1938

Nearby stock numbers ← 2520-01-185-2527 · 2520-01-185-2657 Rod Assembly →

Features

Ring — FSC 2520
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 2520-01-185-2653
NIIN: 011852653
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 7J1938
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Ring, cataloged under National Stock Number 2520-01-185-2653, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Ring
FSC / FSG	2520 — Vehicular Power Transmission Components (FSG 25)
Manufacturers	Caterpillar Inc Div Caterpillar Defense (CAGE 11083)

Technical Specifications

Parameter	Value
NSN	2520-01-185-2653
Primary Part Number	7J1938
Item Name	Ring
FSC / FSG	2520 / 25 — Vehicular Power Transmission Components
Manufacturer	Caterpillar Inc Div Caterpillar Defense
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
7J1938 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
IPD8J1938	5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd
IPD7J1938	5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd

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 2520-01-185-2653?

NSN 2520-01-185-2653 is a Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.

What part numbers are listed for NSN 2520-01-185-2653?

NSN 2520-01-185-2653 has 1 manufacturer part number on file: 7J1938 (Caterpillar Inc Div Caterpillar Defense).

Is NSN 2520-01-185-2653 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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