PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-06600Sleeve,release,clutch

Rockford Powertrain Inc Div Powertrain Rockford, Inc. · NSN 2520-00-139-4154 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-139-4154 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-139-4154. Primary manufacturer part number: 2-06600.
Features
  • Sleeve,release,clutch — FSC 2520
  • General Characteristics Item Description: STEEL,STEPPED OD,2.250 IN. MAJOR OD,1.625 IN. LG,1.781 IN. MINOR OD,0.875 IN. LG,STEPPED BROE,1.750 IN. ID,0.375 IN. LG,1.391 IN. MINOR ID,2.125 IN. LG,2.500 IN. LG O/A,3 EARS,120 DEG APART,0.312 IN. DIA HOLE THRU EA EAR IN
  • 2 verified cross-references
  • Primary manufacturer: Rockford Powertrain Inc Div Powertrain Rockford, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sleeve,release,clutch, cataloged under National Stock Number 2520-00-139-4154, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Rockford Powertrain Inc Div Powertrain Rockford, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-139-4154
Primary Part Number2-06600
Item NameSleeve,release,clutch
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerRockford Powertrain Inc Div Powertrain Rockford, Inc.
StatusACTIVE
General Characteristics Item DescriptionSTEEL,STEPPED OD,2.250 IN. MAJOR OD,1.625 IN. LG,1.781 IN. MINOR OD,0.875 IN. LG,STEPPED BROE,1.750 IN. ID,0.375 IN. LG,1.391 IN. MINOR ID,2.125 IN. LG,2.500 IN. LG O/A,3 EARS,120 DEG APART,0.312 IN. DIA HOLE THRU EA EAR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3120-01-043-42633650920 INTERCHANGEABLE
Bearing Half,sleeve
Cummins Inc.
6220-01-218-4894 INTERCHANGEABLE
Headlight
5330-01-516-28792066-00 INTERCHANGEABLE
Gasket
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
CL10803-1 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
2-06600 PRIMARY Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
Related Parts
3120-01-043-4263INTERCHANGEABLE
BEARING HALF,SLEEVE
3650920
6220-01-218-4894INTERCHANGEABLE
HEADLIGHT
5330-01-516-2879INTERCHANGEABLE
GASKET
2066-00

Frequently Asked Questions

What is NSN 2520-00-139-4154?

NSN 2520-00-139-4154 is a Sleeve,release,clutch, manufactured by Rockford Powertrain Inc Div Powertrain Rockford, Inc., classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-139-4154?

NSN 2520-00-139-4154 has 2 cross-referenced part numbers: CL10803-1 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.), 2-06600 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.).

What NSN replaces 2520-00-139-4154?

There are 3 known substitutes for 2520-00-139-4154: 3120-01-043-4263, 6220-01-218-4894, 5330-01-516-2879. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-06600?

Key specifications for 2-06600: General Characteristics Item Description: STEEL,STEPPED OD,2.250 IN. MAJOR OD,1.625 IN. LG,1.781 IN. MINOR OD,0.875 IN. LG,STEPPED BROE,1.750 IN. ID,0.375 IN. LG,1.391 IN. MINOR ID,2.125 IN. LG,2.500 IN. LG O/A,3 EARS,120 DEG APART,0.312 IN. DIA HOLE THRU EA EAR IN. 1 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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