PartsTable TECHNICAL DATA SHEET

NSN 2520-01-089-3399Government record, cited

Universal Joint, Vehicular2520-01-089-3399

NSN 2520-01-089-3399 · NIIN 010893399

FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components

Government record, cited

Also searched as 2520-01-089-3399 · 2520010893399 · NIIN 010893399 · 01-089-3399 · FSC 2520 Vehicular Power Transmission Components · 522-4675678 · 522-4675678ITEM4 · 87643-6906ITEM4 · 522-4675678 ITE · 87643-6906

Nearby stock numbers ← 2520-01-089-3398 Universal Joint, Vehicular · 2520-01-089-4230 Universal Joint, Vehicular →

Features

Universal Joint,vehicular — FSC 2520
Hub Bore Diameter: 0.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Design Type: SPIDER AND BEARINGS
Connection End Type: HUB,BORED SECOND END
Connection End Type: HUB,BORED FIRST END

Identification

NSN: 2520-01-089-3399
NIIN: 010893399
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components

General Description

The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-089-3399, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2520-01-089-3399
Item Name	Universal Joint,vehicular
FSC / FSG	2520 / 25 — Vehicular Power Transmission Components
Status	ACTIVE
Hub Bore Diameter	0.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Design Type	SPIDER AND BEARINGS
Connection End Type	HUB,BORED SECOND END
Connection End Type	HUB,BORED FIRST END

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

⇄ Related Items 7

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

2520-01-089-740187643-6906ITEM11 POSSIBLE MATCH

UNIVERSAL JOINT,VEHICULAR

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

5340-01-096-173787643-6906ITEM14 POSSIBLE MATCH

SEAT,HELICAL COMPRESSION SPRING

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-246-6446522-4675678 ITEM 1 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-248-726087643-6906 ITEM 9 POSSIBLE MATCH

SLEEVE,VALVE OPERATOR

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-248-727287643-6906 ITEM 2 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-248-727387643-6906 ITEM 5 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3040-01-257-151987643-6906 ITEM 15 POSSIBLE MATCH

SHAFT,SHOULDERED

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
522-4675678	D/9 Drawing number reference only U.S. Government activity
522-4675678ITEM4	5/2 Secondary reference U.S. Government activity
87643-6906ITEM4	3/2 Design control — primary reference U.S. Government activity
522-4675678 ITE	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity
87643-6906	D/9 Drawing number reference only U.S. Government activity

Related Parts

2520-01-089-7401POSSIBLE MATCH

UNIVERSAL JOINT,VEHICULAR

87643-6906ITEM11

5340-01-096-1737POSSIBLE MATCH

SEAT,HELICAL COMPRESSION SPRING

87643-6906ITEM14

4820-01-246-6446POSSIBLE MATCH

STEM,FLUID VALVE

522-4675678 ITEM 1

4820-01-248-7260POSSIBLE MATCH

SLEEVE,VALVE OPERATOR

87643-6906 ITEM 9

4820-01-248-7272POSSIBLE MATCH

STEM,FLUID VALVE

87643-6906 ITEM 2

4820-01-248-7273POSSIBLE MATCH

STEM,FLUID VALVE

87643-6906 ITEM 5

3040-01-257-1519POSSIBLE MATCH

SHAFT,SHOULDERED

87643-6906 ITEM 15

Frequently Asked Questions

What is NSN 2520-01-089-3399?

NSN 2520-01-089-3399 is a Universal Joint,vehicular, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.

What NSN replaces 2520-01-089-3399?

7 possible matches (shared part number, not a government interchangeability claim): 2520-01-089-7401, 5340-01-096-1737, 4820-01-246-6446. Verify interchangeability with system specifications before substitution.

What are the specifications of 2520-01-089-3399?

Key specifications for 2520-01-089-3399: Hub Bore Diameter: 0.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Design Type: SPIDER AND BEARINGS; Overall Length: 5.438 INCHES NOMINAL IN; Connection End Type: HUB,BORED SECOND END. 4 specifications are documented in the U.S. Government catalog.

Is NSN 2520-01-089-3399 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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