PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66628Control Assembly,transmission

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 2520-01-425-9506 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-425-9506 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-425-9506. Primary manufacturer part number: 66628.
Features
  • Control Assembly,transmission — FSC 2520
  • 3 verified cross-references
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Control Assembly,transmission, cataloged under National Stock Number 2520-01-425-9506, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-01-425-9506
Primary Part Number66628
Item NameControl Assembly,transmission
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3950-01-056-536866628-1 INTERCHANGEABLE
Switch Plunger,actuator
L3harris Technologies, Inc. Div Space and Airborne Systems
Cross-Reference Index
Part NumberManufacturer
66628 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
1002987 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
26-0300-03-01 Renk America Llc Div Renk America (USA)
Related Parts
3950-01-056-5368INTERCHANGEABLE
SWITCH PLUNGER,ACTUATOR
66628-1

Frequently Asked Questions

What is NSN 2520-01-425-9506?

NSN 2520-01-425-9506 is a Control Assembly,transmission, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-425-9506?

NSN 2520-01-425-9506 has 3 cross-referenced part numbers: 66628 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 1002987 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 26-0300-03-01 (Renk America Llc Div Renk America).

What NSN replaces 2520-01-425-9506?

There is 1 known substitute for 2520-01-425-9506: 3950-01-056-5368. Verify interchangeability with system specifications before substitution.

What are the specifications of 66628?

Key specifications for 66628: Overall Length: 11.500 INCHES NOMINAL IN; Overall Width: 8.250 INCHES NOMINAL IN; Overall Height: 6.960 INCHES NOMINAL IN; End Item Identification: WEAPONS SYSTEM TRUCK, FIRE/CRASH P23. 4 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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