PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74-520Piston,hydraulic Brake,master Cy

Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes) · NSN 1630-00-869-2327 · FSC 1630 · No Item Name Available
Verified by PartsTable
NSN 1630-00-869-2327 — this item is cataloged by the U.S. Government under National Stock Number 1630-00-869-2327. Primary manufacturer part number: 74-520.
Features
  • Piston,hydraulic Brake,master Cy — FSC 1630
  • Actuator Link Connection Type: SPHERICAL BOTTOM SOCKET
  • Largest Outside Diameter: 1.310 INCHES NOMINAL IN
  • Socket Depth: 0.340 INCHES NOMINAL IN
  • Length: 1.780 INCHES NOMINAL IN
  • Surface Feature: PLAIN SURFACE
  • Size Designator: 1-5/16
  • Cup Protector: NOT 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 1630-00-869-2327, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes). Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1630-00-869-2327
Primary Part Number74-520
Item NamePiston,hydraulic Brake,master Cy
FSC / FSG1630 / 16 — No Item Name Available
ManufacturerGoodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
StatusACTIVE
Actuator Link Connection TypeSPHERICAL BOTTOM SOCKET
Largest Outside Diameter1.310 INCHES NOMINAL IN
Socket Depth0.340 INCHES NOMINAL IN
Length1.780 INCHES NOMINAL IN
Surface FeaturePLAIN SURFACE
Size Designator1-5/16
Cup ProtectorNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5945-00-044-4803ER411-18A INTERCHANGEABLE
Relay,electromagnetic
Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
5133-00-189-9308 INTERCHANGEABLE
Drill,twist
5305-00-286-897674520 INTERCHANGEABLE
Screw,shoulder
Telemechanics Inc
5950-00-949-7365142015-01 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc
4820-01-236-5996010-102-0008 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5331-01-312-061941-118 INTERCHANGEABLE
O-Ring
Husco International Inc
3010-01-396-7806 INTERCHANGEABLE
Universal Joint,nonvehicular
6130-01-415-605141118 INTERCHANGEABLE
Power Supply,centri
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
7520-01-436-257574520 INTERCHANGEABLE
Punch,paper Electri
Acco Brands Corp
Cross-Reference Index
Part NumberManufacturer
74-520 PRIMARY Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes) (USA)
41118 Nasco Aircraft Brake, Inc. Dba Nasco Aircraft Brake Inc Div Nasco (USA)
Related Parts
5945-00-044-4803INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
ER411-18A
5133-00-189-9308INTERCHANGEABLE
DRILL,TWIST
5305-00-286-8976INTERCHANGEABLE
SCREW,SHOULDER
74520
5950-00-949-7365INTERCHANGEABLE
TRANSFORMER,POWER
142015-01
4820-01-236-5996INTERCHANGEABLE
SEAT,VALVE
010-102-0008
5331-01-312-0619INTERCHANGEABLE
O-RING
41-118
3010-01-396-7806INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
6130-01-415-6051INTERCHANGEABLE
POWER SUPPLY,CENTRI
41118
7520-01-436-2575INTERCHANGEABLE
PUNCH,PAPER ELECTRI
74520

Frequently Asked Questions

What is NSN 1630-00-869-2327?

NSN 1630-00-869-2327 is a Piston,hydraulic Brake,master Cy, manufactured by Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes), classified under FSC 1630 (No Item Name Available). Status: active.

What are the part numbers for NSN 1630-00-869-2327?

NSN 1630-00-869-2327 has 2 cross-referenced part numbers: 74-520 (Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)), 41118 (Nasco Aircraft Brake, Inc. Dba Nasco Aircraft Brake Inc Div Nasco).

What NSN replaces 1630-00-869-2327?

There are 9 known substitutes for 1630-00-869-2327: 5945-00-044-4803, 5133-00-189-9308, 5305-00-286-8976 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74-520?

Key specifications for 74-520: Actuator Link Connection Type: SPHERICAL BOTTOM SOCKET; Largest Outside Diameter: 1.310 INCHES NOMINAL IN; Socket Depth: 0.340 INCHES NOMINAL IN; Length: 1.780 INCHES NOMINAL IN. 7 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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