PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18005733Cylinder Assembly,hydraulic Brak

General Motors Llc Dba General Motors Llc · NSN 2530-01-085-3653 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-01-085-3653 — this item is cataloged by the U.S. Government under National Stock Number 2530-01-085-3653. Primary manufacturer part number: 18005733.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Mounting Provision: UNTHREADED MOUNTING HOLES
  • Actuation Method: DIRECT
  • Mounting Type and Location: FLANGE PISTON ROD END
  • Port Thread Quantity Per Inch: 18 SINGLE PORT
  • Seat Angle in Deg: 42.0 ALL PORTS
  • Port Thread Quantity Per Inch: 20 ALL PORTS
  • Center to Center Distance Between Mounting Provisions: 3.390 INCHES NOMINAL IN
Applications
  • Applications requiring Iron Cast Body construction
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-085-3653, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2530-01-085-3653
Primary Part Number18005733
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Mounting ProvisionUNTHREADED MOUNTING HOLES
Actuation MethodDIRECT
Mounting Type and LocationFLANGE PISTON ROD END
Port Thread Quantity Per Inch18 SINGLE PORT
Seat Angle in Deg42.0 ALL PORTS
Port Thread Quantity Per Inch20 ALL PORTS
Center to Center Distance Between Mounting Provisions3.390 INCHES NOMINAL IN
MaterialIRON CAST BODY
Reservoir TypeINTEGRAL
Port StyleINVERTED FLARE ALL PORTS
Port StyleINVERTED FLARE SINGLE PORT
Port Thread Series DesignatorUNF ALL PORTS
Mounting Facility Diameter0.420 INCHES NOMINAL IN
Seat Angle in Deg42.0 SINGLE PORT
Port Thread Class2B SINGLE PORT
Mounting Provision Arrangement StyleTWO HOLE
Port Thread Diameter0.562 INCHES NOMINAL SINGLE PORT IN
Port Thread Series DesignatorUNF SINGLE PORT
Port Thread Class2B ALL PORTS
Port Location and Quantity1 CENTER SECTION AND 1 CYLINDER HEAD END
Port Thread Diameter0.500 INCHES NOMINAL ALL PORTS IN
Straight Bore Inside Diameter1.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2530-00-363-5499J8126953 INTERCHANGEABLE
Cylinder,hydraulic Brake,master
Chrysler Corp Engine and Components Sales Diversified Products Div
Cross-Reference Index
Part NumberManufacturer
18002063 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
18005733 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
174523 Delco Moraine Div of General Motors Corp (USA)
18002063 Delco Moraine Div of General Motors Corp (USA)
18005733 PRIMARY General Motors Llc Dba General Motors Llc (USA)
Related Parts
2530-00-363-5499INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,MASTER
J8126953

Frequently Asked Questions

What is NSN 2530-01-085-3653?

NSN 2530-01-085-3653 is a Cylinder Assembly,hydraulic Brak, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-01-085-3653?

NSN 2530-01-085-3653 has 5 cross-referenced part numbers: 18002063 (General Motors Corp Chevrolet Motor Div Special Products Dept), 18005733 (General Motors Corp Chevrolet Motor Div Special Products Dept), 174523 (Delco Moraine Div of General Motors Corp), 18002063 (Delco Moraine Div of General Motors Corp), 18005733 (General Motors Llc Dba General Motors Llc).

What NSN replaces 2530-01-085-3653?

There is 1 known substitute for 2530-01-085-3653: 2530-00-363-5499. Verify interchangeability with system specifications before substitution.

What are the specifications of 18005733?

Key specifications for 18005733: Mounting Provision: UNTHREADED MOUNTING HOLES; Actuation Method: DIRECT; Overall Height: 5.750 INCHES NOMINAL IN; Overall Width: 4.312 INCHES NOMINAL IN. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-01-085-3653 still in active supply?

NSN 2530-01-085-3653 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.
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