PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5457149Cylinder Assembly,hydraulic Brak

General Motors Corp · NSN 2530-00-481-2306 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-481-2306 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-481-2306. Primary manufacturer part number: 5457149.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Mounting Facility Thread Quantity Per Inch: 18
  • Center to Center Distance Between Mounting Provisions: 1.500 INCHES NOMINAL IN
  • Mounting Type and Location: FLANGE CENTER SECTION
  • Design Characteristics: SINGLE ACTING SINGLE CYLINDER
  • Mounting Facility Thread Direction: RIGHT-HAND
  • Mounting Facility Thread Class: 2B
  • Mounting Position: RIGHT
Applications
  • Applications requiring Iron Cast Body construction
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-481-2306, 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 Corp. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2530-00-481-2306
Primary Part Number5457149
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusCANCELLED
Mounting Facility Thread Quantity Per Inch18
Center to Center Distance Between Mounting Provisions1.500 INCHES NOMINAL IN
Mounting Type and LocationFLANGE CENTER SECTION
Design CharacteristicsSINGLE ACTING SINGLE CYLINDER
Mounting Facility Thread DirectionRIGHT-HAND
Mounting Facility Thread Class2B
Mounting PositionRIGHT
Bore TypeSTRAIGHT
Features ProvidedBLEEDER VALVES
Mounting ProvisionTHREADED MOUNTING HOLES
Port Location and Quantity1 CENTER SECTION
Mounting Facility Thread Length0.562 INCHES NOMINAL IN
Mounting Facility Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Bore Diameter1.125 INCHES NOMINAL IN
Mounting Facility Thread Diameter0.312 INCHES NOMINAL IN
Mounting Provision Arrangement StyleTWO HOLE
Port Thread Quantity Per Inch20 LOCATION NOT OTHERWISE SPECIFIED
Port Thread Diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Port StyleGASKET SEAL LOCATION NOT OTHERWISE SPECIFIED
Port Thread Series DesignatorUNF LOCATION NOT OTHERWISE SPECIFIED
Bleeding Feature Quantity1
MaterialIRON CAST BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5330-00-784-5334 INTERCHANGEABLE
Packing,preformed
5305-00-989-7435MS35207-264 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6515-01-588-80109779 INTERCHANGEABLE
Conformer,ocular
Stryker Corporation Div Use for Open Payments Only
Cross-Reference Index
Part NumberManufacturer
3241 Allied Automotive Allied Aftermarket Div (USA)
5459222 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
5457149 PRIMARY General Motors Corp (USA)
5459222 PRIMARY General Motors Llc Dba General Motors Llc (USA)
5457149 PRIMARY General Motors Llc Dba General Motors Llc (USA)
5457149 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
19087 Echlin Inc (USA)
Related Parts
5330-00-784-5334INTERCHANGEABLE
PACKING,PREFORMED
5305-00-989-7435INTERCHANGEABLE
SCREW,MACHINE
MS35207-264
6515-01-588-8010INTERCHANGEABLE
CONFORMER,OCULAR
9779

Frequently Asked Questions

What is NSN 2530-00-481-2306?

NSN 2530-00-481-2306 is a Cylinder Assembly,hydraulic Brak, manufactured by General Motors Corp, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-00-481-2306?

NSN 2530-00-481-2306 has 7 cross-referenced part numbers: 3241 (Allied Automotive Allied Aftermarket Div), 5459222 (General Motors Corp Chevrolet Motor Div Special Products Dept), 5457149 (General Motors Corp), 5459222 (General Motors Llc Dba General Motors Llc), 5457149 (General Motors Llc Dba General Motors Llc) and 2 more.

What NSN replaces 2530-00-481-2306?

There are 3 known substitutes for 2530-00-481-2306: 5330-00-784-5334, 5305-00-989-7435, 6515-01-588-8010. Verify interchangeability with system specifications before substitution.

What are the specifications of 5457149?

Key specifications for 5457149: Mounting Facility Thread Quantity Per Inch: 18; Overall Height: 3.000 INCHES NOMINAL IN; Center to Center Distance Between Mounting Provisions: 1.500 INCHES NOMINAL IN; Mounting Type and Location: FLANGE CENTER SECTION. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-481-2306 still in active supply?

NSN 2530-00-481-2306 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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