PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

172-98Cylinder Assembly,hydraulic Brak

Delco Moraine Div of General Motors Corp · NSN 2530-00-482-3543 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-482-3543 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-482-3543. Primary manufacturer part number: 172-98.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Mounting Facility Thread Quantity Per Inch: 18
  • Mounting Facility Thread Direction: RIGHT-HAND
  • Mounting Provision: THREADED MOUNTING HOLES
  • Bore Diameter: 1.125 INCHES NOMINAL IN
  • Port Location and Quantity: 1 CENTER SECTION
  • Port Thread Quantity Per Inch: 24 SINGLE PORT
  • Bleeding Feature Quantity: 1
Applications
  • Applications requiring Steel Body construction
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-482-3543, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Delco Moraine Div of General Motors Corp. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2530-00-482-3543
Primary Part Number172-98
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerDelco Moraine Div of General Motors Corp
StatusACTIVE
Mounting Facility Thread Quantity Per Inch18
Mounting Facility Thread DirectionRIGHT-HAND
Mounting ProvisionTHREADED MOUNTING HOLES
Bore Diameter1.125 INCHES NOMINAL IN
Port Location and Quantity1 CENTER SECTION
Port Thread Quantity Per Inch24 SINGLE PORT
Bleeding Feature Quantity1
Seat Angle in Deg45.0 SINGLE PORT
Mounting Facility Thread Length0.344 INCHES NOMINAL IN
Port Thread Diameter0.438 INCHES NOMINAL SINGLE PORT IN
Mounting Provision Arrangement StyleTWO HOLE
Bore TypeSTRAIGHT
Mounting Facility Thread Class2B
Mounting Facility Thread Diameter0.312 INCHES NOMINAL IN
Design CharacteristicsDOUBLE ACTING SINGLE CYLINDER
Mounting PositionRIGHT
Port Thread Class2B SINGLE PORT
Center to Center Distance Between Mounting Provisions1.490 INCHES NOMINAL IN
Mounting Type and LocationFLANGE CENTER SECTION
Features ProvidedRUBBER BOOT
MaterialSTEEL BODY
Compressed Length3.180 INCHES NOMINAL IN
Port StyleINVERTED FLARE SINGLE PORT
Port Thread Series DesignatorUNS SINGLE PORT
Mounting Facility Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Extended Length3.180 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6640-00-054-188037034A INTERCHANGEABLE
Pipet,serological
Kimble Glass Inc Sub of Owens-Illinois Inc
5805-00-087-3154353-3 INTERCHANGEABLE
Termination Cable
Microwave Devices Inc
5935-00-211-2325580R807H02 INTERCHANGEABLE
Adapter,connector
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5136-00-239-2770400104 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
4730-00-250-7953 INTERCHANGEABLE
Elbow,tube
5360-00-257-1748112632 INTERCHANGEABLE
Spring,helical,compression
Telemechanics Inc
5935-00-259-387654A17298 INTERCHANGEABLE
Connector,receptacle,electrical
Cinch Connectivity Solutions Inc.
2805-00-415-5279G533 INTERCHANGEABLE
Guide
Eaton Corp Dba Eaton Aerospace Jackson
2825-00-446-90603533 INTERCHANGEABLE
Blade Assembly
Northrop Grumman Systems Corporation Div Marine Systems
6150-00-629-68653533 INTERCHANGEABLE
Cable Assembly,power,electrical
General Cable Corporation Div Corporate
Cross-Reference Index
Part NumberManufacturer
172-98 Delco Moraine Div of General Motors Corp (USA)
H-49681 Chrysler Corp Service and Parts Opns (USA)
WC49681 C E Niehoff & Co (USA)
WC49681 Trw Inc Replacement Parts Div (USA)
5457169 Delco Moraine Div of General Motors Corp (USA)
F49681 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
5457169 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
3533 Bendix Corp the Brake and Steering Div (USA)
37039 Echlin Inc (USA)
5457169 General Motors Llc Dba General Motors Llc (USA)
3533 Bendix Corp the (USA)
W49681 Airtex Products Div of Uis Inc (USA)
EW49681 Eis Brake Parts Div of Standard Motor Products Inc (USA)
Related Parts
6640-00-054-1880INTERCHANGEABLE
PIPET,SEROLOGICAL
37034A
5805-00-087-3154INTERCHANGEABLE
TERMINATION CABLE
353-3
5935-00-211-2325INTERCHANGEABLE
ADAPTER,CONNECTOR
580R807H02
5136-00-239-2770INTERCHANGEABLE
DIE,THREAD CUTTING
400104
4730-00-250-7953INTERCHANGEABLE
ELBOW,TUBE
5360-00-257-1748INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
112632
5935-00-259-3876INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
54A17298
2805-00-415-5279INTERCHANGEABLE
GUIDE
G533
2825-00-446-9060INTERCHANGEABLE
BLADE ASSEMBLY
3533
6150-00-629-6865INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
3533
4320-00-790-2683INTERCHANGEABLE
RING
3533
3120-00-908-6812INTERCHANGEABLE
BEARING,SLEEVE
2421356

Frequently Asked Questions

What is NSN 2530-00-482-3543?

NSN 2530-00-482-3543 is a Cylinder Assembly,hydraulic Brak, manufactured by Delco Moraine Div of General Motors Corp, classified under FSC 2530 (No Item Name Available). Status: active.

What are the part numbers for NSN 2530-00-482-3543?

NSN 2530-00-482-3543 has 13 cross-referenced part numbers: 172-98 (Delco Moraine Div of General Motors Corp), H-49681 (Chrysler Corp Service and Parts Opns), WC49681 (C E Niehoff & Co), WC49681 (Trw Inc Replacement Parts Div), 5457169 (Delco Moraine Div of General Motors Corp) and 8 more.

What NSN replaces 2530-00-482-3543?

There are 12 known substitutes for 2530-00-482-3543: 6640-00-054-1880, 5805-00-087-3154, 5935-00-211-2325 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 172-98?

Key specifications for 172-98: Mounting Facility Thread Quantity Per Inch: 18; Mounting Facility Thread Direction: RIGHT-HAND; Overall Height: 3.000 INCHES NOMINAL IN; Mounting Provision: THREADED MOUNTING HOLES. 28 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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