PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74128Piston,hydraulic Brake,master Cy

Dressta North America Ltd · NSN 2530-00-516-7882 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-516-7882 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-516-7882. Primary manufacturer part number: 74128.
Features
  • Piston,hydraulic Brake,master Cy — FSC 2530
  • Size Designator: 1-1/2 IN. IN
  • Length: 2.469 INCHES NOMINAL IN
  • Surface Feature: EXTERNALLY GROOVED FOR SECONDARY CUP
  • Largest Outside Diameter: 1.499 INCHES MAXIMUM IN
  • Locking Ring: INCLUDED
  • Actuator Link Connection Type: PUSH ROD
  • Secondary Cup: INCLUDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,hydraulic Brake,master Cy, cataloged under National Stock Number 2530-00-516-7882, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Dressta North America Ltd. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2530-00-516-7882
Primary Part Number74128
Item NamePiston,hydraulic Brake,master Cy
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerDressta North America Ltd
StatusCANCELLED
Size Designator1-1/2 IN. IN
Length2.469 INCHES NOMINAL IN
Surface FeatureEXTERNALLY GROOVED FOR SECONDARY CUP
Largest Outside Diameter1.499 INCHES MAXIMUM IN
Locking RingINCLUDED
Actuator Link Connection TypePUSH ROD
Secondary CupINCLUDED
FSC Application DataVEHICULAR
Cup ProtectorINCLUDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4720-00-080-4203 INTERCHANGEABLE
Hose,nonmetallic
5915-01-018-2314A-19758 INTERCHANGEABLE
Filter,radio Frequency Interfere
Ems Development Corporation Dba Ems Development Corp
5962-01-090-92623279450 INTERCHANGEABLE
Microcircuit,digital
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5360-01-155-2632 INTERCHANGEABLE
Spring,helical,compression
5340-01-254-169874128 INTERCHANGEABLE
Bracket,angle
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5962-01-343-521074128 INTERCHANGEABLE
Microcircuit,digital
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
355PC25 Oshkosh Defense Llc (USA)
10B8557 Napco International Llc Dba Napco International Inc (USA)
A19758 Cnh Industrial America Llc Dba Cnh America (USA)
10W0850 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
74128 PRIMARY Dressta North America Ltd (USA)
D74128 Komatsu America Corporation (USA)
10EHWAS Mack Trucks Inc Parts Opn (USA)
3356W Diamond Reo Truck Co (USA)
F1338 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
4B8981 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
74128 Komatsu America Corporation (USA)
FC1338 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
086954 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
086954 General Motors Llc Dba General Motors Llc (USA)
FC1338D Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
355PC25 Oshkosh Corp (USA)
471736 American Standard Inc Westinghouse Air Brake Co Div (USA)
74128 American Standard Inc Westinghouse Air Brake Co Div (USA)
1M2341 Diamond Reo Truck Co (USA)
V3534X White Motor Corp (USA)
Related Parts
4720-00-080-4203INTERCHANGEABLE
HOSE,NONMETALLIC
5915-01-018-2314INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
A-19758
5962-01-090-9262INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3279450
5360-01-155-2632INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5340-01-254-1698INTERCHANGEABLE
BRACKET,ANGLE
74128
5962-01-343-5210INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
74128

Frequently Asked Questions

What is NSN 2530-00-516-7882?

NSN 2530-00-516-7882 is a Piston,hydraulic Brake,master Cy, manufactured by Dressta North America Ltd, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-00-516-7882?

NSN 2530-00-516-7882 has 20 cross-referenced part numbers: 355PC25 (Oshkosh Defense Llc), 10B8557 (Napco International Llc Dba Napco International Inc), A19758 (Cnh Industrial America Llc Dba Cnh America), 10W0850 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 74128 (Dressta North America Ltd) and 15 more.

What NSN replaces 2530-00-516-7882?

There are 6 known substitutes for 2530-00-516-7882: 4720-00-080-4203, 5915-01-018-2314, 5962-01-090-9262 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74128?

Key specifications for 74128: Size Designator: 1-1/2 IN. IN; Length: 2.469 INCHES NOMINAL IN; Surface Feature: EXTERNALLY GROOVED FOR SECONDARY CUP; Largest Outside Diameter: 1.499 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-516-7882 still in active supply?

NSN 2530-00-516-7882 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com