PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3H2852Universal Joint,vehicular

Caterpillar Inc Div Caterpillar Defense · NSN 2520-00-634-8821 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-634-8821 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-634-8821. Primary manufacturer part number: 3H2852.
Features
  • Universal Joint,vehicular — FSC 2520
  • 2 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Universal Joint,vehicular, cataloged under National Stock Number 2520-00-634-8821, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-634-8821
Primary Part Number3H2852
Item NameUniversal Joint,vehicular
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2930-00-019-525321969 INTERCHANGEABLE
Pump,cooling System,engine
Industrial Technologies and Services Llc
6515-00-127-6194 INTERCHANGEABLE
Disk,colostomy Ileostomy
5999-00-351-8002SC-B-69684 INTERCHANGEABLE
Cap,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-01-271-3296 INTERCHANGEABLE
Washer,lock
8345-01-283-7814 INTERCHANGEABLE
Pennant,signal
4730-01-346-6361SY0800108062SE INTERCHANGEABLE
Strainer Element,sediment
Haywardindl. Products, Inc.
5930-01-441-9243 INTERCHANGEABLE
Switch,toggle
6130-01-475-4715927439-0189 INTERCHANGEABLE
Ruggedised DC Uninterrupted Powe
Northrop Grumman Systems Corporation
3010-01-549-260512107 INTERCHANGEABLE
Coupling,shaft,flexible
Vescor Corp
5310-01-606-40431210-7 INTERCHANGEABLE
Washer,flat
Terex Usa, Llc Dba Terex Usa, Llc
Cross-Reference Index
Part NumberManufacturer
3H2852 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
12107 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
Related Parts
2930-00-019-5253INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
21969
6515-00-127-6194INTERCHANGEABLE
DISK,COLOSTOMY ILEOSTOMY
5999-00-351-8002INTERCHANGEABLE
CAP,ELECTRICAL
SC-B-69684
5310-01-271-3296INTERCHANGEABLE
WASHER,LOCK
8345-01-283-7814INTERCHANGEABLE
PENNANT,SIGNAL
4730-01-346-6361INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
SY0800108062SE
5930-01-441-9243INTERCHANGEABLE
SWITCH,TOGGLE
6130-01-475-4715INTERCHANGEABLE
RUGGEDISED DC UNINTERRUPTED POWE
927439-0189
3010-01-549-2605INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
12107
5310-01-606-4043INTERCHANGEABLE
WASHER,FLAT
1210-7

Frequently Asked Questions

What is NSN 2520-00-634-8821?

NSN 2520-00-634-8821 is a Universal Joint,vehicular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-634-8821?

NSN 2520-00-634-8821 has 2 cross-referenced part numbers: 3H2852 (Caterpillar Inc Div Caterpillar Defense), 12107 (Meritor Heavy Vehicle Systems, Llc).

What NSN replaces 2520-00-634-8821?

There are 10 known substitutes for 2520-00-634-8821: 2930-00-019-5253, 6515-00-127-6194, 5999-00-351-8002 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3H2852?

Key specifications for 3H2852: Overall Length: 7.250 INCHES NOMINAL IN; Special Features: CONNECTION END TYPE, FIRST END: FLANGE, SECOND END: SHAFT; BOLT CIRCLE DIAMETER: 2.245 IN. MIN., 2.250 IN. MAX.; SPLINE QUANTITY: 13; MOUNTING HOLE DIAMETER: 0.381 IN. MIN., 0.385 IN. MAX.; OVERALL DIAMETER: 2.938 IN. NOM.; LENGTH FROM UNIVERSAL JOINT SPIDER CENTERLINE TO FLANGE OUTER FACE: 2.938 IN. NOM.; SHAFT END SPLINE TYPE: INVOLUTE; LENGTH FROM UNIVERSAL JOINT SPIDER CENTERLINE TO SHAFT END: 4.212 IN. NOM. IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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