PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5459221Cylinder Assembly,hydraulic Brak

General Motors Llc Dba General Motors Llc · NSN 2530-00-471-8250 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-471-8250 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-471-8250. Primary manufacturer part number: 5459221.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Mounting Provision: THREADED MOUNTING HOLES
  • Bore Diameter: 1.125 INCHES NOMINAL IN
  • Port Location and Quantity: 1 CENTER SECTION
  • Bleeding Feature Quantity: 1
  • Mounting Facility Thread Class: 2B
  • Mounting Facility Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Port Thread Quantity Per Inch: 20 SINGLE PORT
Applications
  • Applications requiring Steel Body construction
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-471-8250, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2530-00-471-8250
Primary Part Number5459221
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Mounting ProvisionTHREADED MOUNTING HOLES
Bore Diameter1.125 INCHES NOMINAL IN
Port Location and Quantity1 CENTER SECTION
Bleeding Feature Quantity1
Mounting Facility Thread Class2B
Mounting Facility Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Port Thread Quantity Per Inch20 SINGLE PORT
Port StyleHIGH PRESSURE FLARE SINGLE PORT
Design CharacteristicsDOUBLE ACTING SINGLE CYLINDER
Seat Angle in Deg37.0 SINGLE PORT
Mounting Facility Thread Diameter0.125 INCHES NOMINAL IN
Bore TypeSTRAIGHT
Mounting Provision Arrangement StyleTWO HOLE
Port Thread Series DesignatorUNF SINGLE PORT
Center to Center Distance Between Mounting Provisions1.500 INCHES NOMINAL IN
Features ProvidedRUBBER BOOT
Mounting Facility Thread DirectionRIGHT-HAND
MaterialSTEEL BODY
Mounting Type and LocationFLANGE CENTER SECTION
Mounting Facility Thread Quantity Per Inch20
Mounting Facility Thread Length0.688 INCHES NOMINAL IN
Port Thread Class2B SINGLE PORT
Port Thread Diameter0.438 INCHES NOMINAL SINGLE PORT IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2915-00-119-46653240 INTERCHANGEABLE
Cover,fuel Pump
Triumph Engine Control Systems Llc
4730-00-196-14763240 INTERCHANGEABLE
Nipple,pipe
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4730-00-200-09123240 INTERCHANGEABLE
Nut,tube Coupling
Brinkley Technology Group Llc Dba Hercules Manufacturing
5950-00-228-176019518 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc.
6730-00-453-9404 INTERCHANGEABLE
Roller,film Support
2530-00-470-1816FC13700 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5962-00-471-1766WC106 INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
6640-00-483-285119086 INTERCHANGEABLE
Stand,laboratory Apparatus Suppo
Central Scientific Co Educational
6145-00-493-1539 INTERCHANGEABLE
Cable,special Purpose,electrical
2815-00-517-98353240 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
Cross-Reference Index
Part NumberManufacturer
3240 Allied Automotive Allied Aftermarket Div (USA)
172-84 General Motors Corp Delco Electronics Div (USA)
H-34333 Chrysler Corp Service and Parts Opns (USA)
F34333 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
WC106 Trw Inc Replacement Parts Div (USA)
172-84 Delco Moraine Div of General Motors Corp (USA)
5457148 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
3240 Bendix Corp the Brake and Steering Div (USA)
WC106 C E Niehoff & Co (USA)
5459221 PRIMARY General Motors Llc Dba General Motors Llc (USA)
W34333 Airtex Products Div of Uis Inc (USA)
5459221 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
3240 Bendix Corp the (USA)
EW34333 Eis Brake Parts Div of Standard Motor Products Inc (USA)
19086 Echlin Inc (USA)
Related Parts
2915-00-119-4665INTERCHANGEABLE
COVER,FUEL PUMP
3240
4730-00-196-1476INTERCHANGEABLE
NIPPLE,PIPE
3240
4730-00-200-0912INTERCHANGEABLE
NUT,TUBE COUPLING
3240
5950-00-228-1760INTERCHANGEABLE
REACTOR
19518
6730-00-453-9404INTERCHANGEABLE
ROLLER,FILM SUPPORT
2530-00-470-1816INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
FC13700
5962-00-471-1766INTERCHANGEABLE
MICROCIRCUIT,LINEAR
WC106
6640-00-483-2851INTERCHANGEABLE
STAND,LABORATORY APPARATUS SUPPO
19086
6145-00-493-1539INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
2815-00-517-9835INTERCHANGEABLE
RING,PISTON
3240
5945-00-665-9891INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
3240
5950-00-678-2514INTERCHANGEABLE
TRANSFORMER,POWER
3240

Frequently Asked Questions

What is NSN 2530-00-471-8250?

NSN 2530-00-471-8250 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 2530-00-471-8250?

NSN 2530-00-471-8250 has 15 cross-referenced part numbers: 3240 (Allied Automotive Allied Aftermarket Div), 172-84 (General Motors Corp Delco Electronics Div), H-34333 (Chrysler Corp Service and Parts Opns), F34333 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div), WC106 (Trw Inc Replacement Parts Div) and 10 more.

What NSN replaces 2530-00-471-8250?

There are 12 known substitutes for 2530-00-471-8250: 2915-00-119-4665, 4730-00-196-1476, 4730-00-200-0912 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5459221?

Key specifications for 5459221: Mounting Provision: THREADED MOUNTING HOLES; Bore Diameter: 1.125 INCHES NOMINAL IN; Overall Width: 2.000 INCHES NOMINAL IN; Overall Height: 2.875 INCHES NOMINAL IN. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-471-8250 still in active supply?

NSN 2530-00-471-8250 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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