PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12267621Retainer,modulator

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 2520-00-557-6619 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-557-6619 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-557-6619. Primary manufacturer part number: 12267621.
Features
  • Retainer,modulator — FSC 2520
  • 15 verified cross-references
  • Primary manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Retainer,modulator, cataloged under National Stock Number 2520-00-557-6619, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. This item has 15 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRetainer,modulator
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersMitchell Diesel Limited T/a Mitchell Powersystems (CAGE U2477); Uro Vehiculos Especiales Sa (CAGE 7041B); Kovatch Corp. (CAGE 59556); Patria Vehicles Oy (CAGE S9620); Gd European Land Systems-Steyr Gmbh (CAGE 0184N)
Technical Specifications
ParameterValue
NSN2520-00-557-6619
Primary Part Number12267621
Item NameRetainer,modulator
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-100-365571450 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
Cross-Reference Index
Part NumberManufacturer
8627650 Mitchell Diesel Limited T/a Mitchell Powersystems (GBR)
993667C Uro Vehiculos Especiales Sa (ESP)
000900T Kovatch Corp. (USA)
8627650 Patria Vehicles Oy (FIN)
559608627650 Gd European Land Systems-Steyr Gmbh (AUT)
8627650 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
12267621 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
2AX323 Oshkosh Defense Llc (USA)
423364C1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
8627650 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
8627650 Patria Land Oy (FIN)
2AX323 Oshkosh Corp (USA)
8627650 Detroit Diesel (overseas Distribution Corp) (GBR)
423364C1 Simmons-Rand Co (USA)
8627650 Rolls-Royce Solutions America Inc (USA)
Related Parts
3110-00-100-3655INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
71450

Frequently Asked Questions

What is NSN 2520-00-557-6619?

NSN 2520-00-557-6619 is a Retainer,modulator, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-557-6619?

NSN 2520-00-557-6619 has 15 cross-referenced part numbers: 8627650 (Mitchell Diesel Limited T/a Mitchell Powersystems), 993667C (Uro Vehiculos Especiales Sa), 000900T (Kovatch Corp.), 8627650 (Patria Vehicles Oy), 559608627650 (Gd European Land Systems-Steyr Gmbh) and 10 more.

What NSN replaces 2520-00-557-6619?

There is 1 known substitute for 2520-00-557-6619: 3110-00-100-3655. Verify interchangeability with system specifications before substitution.

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