PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91187Ring,synchronizer

New Venture Gear Inc New Process Gear Div · NSN 2520-00-570-7279 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-570-7279 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-570-7279. Primary manufacturer part number: 91187.
Features
  • Ring,synchronizer — FSC 2520
  • 8 verified cross-references
  • Primary manufacturer: New Venture Gear Inc New Process Gear Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,synchronizer, cataloged under National Stock Number 2520-00-570-7279, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is New Venture Gear Inc New Process Gear Div. This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,synchronizer
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersNavistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (CAGE 92679); New Venture Gear Inc New Process Gear Div (CAGE 76760); Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (CAGE 23862); General Motors Corp Chevrolet Motor Div Special Products Dept (CAGE 11862); General Motors Llc Dba General Motors Llc (CAGE 7X677)
Technical Specifications
ParameterValue
NSN2520-00-570-7279
Primary Part Number91187
Item NameRing,synchronizer
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerNew Venture Gear Inc New Process Gear Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-620-184711A7236 INTERCHANGEABLE
Nut Connecting Tube
Napco International Llc Dba Napco International Inc
5315-01-192-2105LA91187 INTERCHANGEABLE
Pin,straight,headless
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
185505R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
91187 PRIMARY New Venture Gear Inc New Process Gear Div (USA)
3727134 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
3727134 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
3727134 General Motors Llc Dba General Motors Llc (USA)
K368-24B Republic Gear Co (USA)
3727134 General Motors Corp (USA)
185505R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
Related Parts
5310-00-620-1847INTERCHANGEABLE
NUT CONNECTING TUBE
11A7236
5315-01-192-2105INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
LA91187

Frequently Asked Questions

What is NSN 2520-00-570-7279?

NSN 2520-00-570-7279 is a Ring,synchronizer, manufactured by New Venture Gear Inc New Process Gear Div, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-570-7279?

NSN 2520-00-570-7279 has 8 cross-referenced part numbers: 185505R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 91187 (New Venture Gear Inc New Process Gear Div), 3727134 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 3727134 (General Motors Corp Chevrolet Motor Div Special Products Dept), 3727134 (General Motors Llc Dba General Motors Llc) and 3 more.

What NSN replaces 2520-00-570-7279?

There are 2 known substitutes for 2520-00-570-7279: 5310-00-620-1847, 5315-01-192-2105. Verify interchangeability with system specifications before substitution.

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