PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

878977R92Cylinder Assembly,hydraulic Brak

Navistar Intl Corp Truck Br Ohio Plant · NSN 2530-00-433-2952 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-433-2952 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-433-2952. Primary manufacturer part number: 878977R92.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Material: IRON CAST BODY
  • Compressed Length: 12.000 INCHES NOMINAL IN
  • First Piston Rod End Thread Class: 2A A
  • Port Thread Class: 2B LOCATION NOT OTHERWISE SPECIFIED
  • First End External Thread Length: 1.938 INCHES NOMINAL IN
  • Reservoir Type: INTEGRAL
  • Actuation Method: DIRECT
Applications
  • Applications requiring Iron Cast Body construction
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-433-2952, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 15 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
NSN2530-00-433-2952
Primary Part Number878977R92
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusCANCELLED
MaterialIRON CAST BODY
Compressed Length12.000 INCHES NOMINAL IN
First Piston Rod End Thread Class2A A
Port Thread Class2B LOCATION NOT OTHERWISE SPECIFIED
First End External Thread Length1.938 INCHES NOMINAL IN
Reservoir TypeINTEGRAL
Actuation MethodDIRECT
Port Location and Quantity1 CENTER SECTION
First Piston Rod End Thread Quantity Per Inch24
Port StyleINVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
Thread DirectionUNABLE TO DECODE
Features ProvidedRUBBER BOOT
Seat Angle in Deg42.0 LOCATION NOT OTHERWISE SPECIFIED
Mounting Provision Arrangement StyleTWO HOLE
Center to Center Distance Between Mounting Provisions3.375 INCHES NOMINAL IN
First Piston Rod End Thread Series DesignatorUNF
First Piston Rod End Thread Diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Mounting Facility Diameter0.412 INCHES NOMINAL IN
Mounting ProvisionUNTHREADED MOUNTING HOLES
First Piston Rod End StyleEXTERNAL THREADED LOCATION NOT OTHERWISE SPECIFIED
Extended Length13.750 INCHES NOMINAL IN
Port Thread Series DesignatorUNF LOCATION NOT OTHERWISE SPECIFIED
Body Outside Diameter1.388 INCHES NOMINAL IN
First End Outside Diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Mounting Type and LocationFLANGE PISTON ROD END
Straight Bore Inside Diameter1.125 INCHES NOMINAL IN
Port Thread Quantity Per Inch20 LOCATION NOT OTHERWISE SPECIFIED
Port Thread Diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5910-00-190-6085CR5B1251G0 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Cornell-Dubilier Marketing Inc
5930-00-246-5599PMSL3 INTERCHANGEABLE
Switch,lever
Marine Electric Systems Inc
5920-00-252-2022 INTERCHANGEABLE
Fuse,cartridge
5945-00-276-92641467 INTERCHANGEABLE
Relay,electromagnetic
Borgwarner Pds (anderson), L.l.c.
2825-00-299-103736153 INTERCHANGEABLE
Stuffing Box
Northrop Grumman Systems Corporation Div Marine Systems
5330-00-330-15551467 INTERCHANGEABLE
Gasket
Morse, F W & Company
5315-00-392-1728110440 INTERCHANGEABLE
Pin,special
Telemechanics Inc
5999-00-726-8099174444 INTERCHANGEABLE
Contact,electrical
Telemechanics Inc
5930-00-785-83472118671 INTERCHANGEABLE
Switch,rotary
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5340-00-848-73783615-3 INTERCHANGEABLE
Shield,expansion
Star Expansion Co
Cross-Reference Index
Part NumberManufacturer
H-54699 Chrysler Corp Service and Parts Opns (USA)
E39969 Eis Brake Parts Div of Standard Motor Products Inc (USA)
F54699 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
1467 Bendix Corp the (USA)
878977R92 Blue Tee Corp. Dba Gefco (USA)
878977R92 S&s Truck Parts, Llc (USA)
965551R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
M36153A Airtex Products Div of Uis Inc (USA)
1467 Allied Automotive Allied Aftermarket Div (USA)
36153 Echlin Inc (USA)
878977R92 Navistar International Corporation Dba Navistar (USA)
878977R92 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
MC137 C E Niehoff & Co (USA)
174-444 General Motors Corp Delco Electronics Div (USA)
174-444 Delco Moraine Div of General Motors Corp (USA)
Related Parts
5910-00-190-6085INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
CR5B1251G0
5930-00-246-5599INTERCHANGEABLE
SWITCH,LEVER
PMSL3
5920-00-252-2022INTERCHANGEABLE
FUSE,CARTRIDGE
5945-00-276-9264INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1467
2825-00-299-1037INTERCHANGEABLE
STUFFING BOX
36153
5330-00-330-1555INTERCHANGEABLE
GASKET
1467
5315-00-392-1728INTERCHANGEABLE
PIN,SPECIAL
110440
5999-00-726-8099INTERCHANGEABLE
CONTACT,ELECTRICAL
174444
5930-00-785-8347INTERCHANGEABLE
SWITCH,ROTARY
2118671
5340-00-848-7378INTERCHANGEABLE
SHIELD,EXPANSION
3615-3
5998-01-070-4121INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
174444
5970-01-151-3289INTERCHANGEABLE
INSULATOR,BUSHING
SM-B-398249

Frequently Asked Questions

What is NSN 2530-00-433-2952?

NSN 2530-00-433-2952 is a Cylinder Assembly,hydraulic Brak, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-00-433-2952?

NSN 2530-00-433-2952 has 15 cross-referenced part numbers: H-54699 (Chrysler Corp Service and Parts Opns), E39969 (Eis Brake Parts Div of Standard Motor Products Inc), F54699 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div), 1467 (Bendix Corp the), 878977R92 (Blue Tee Corp. Dba Gefco) and 10 more.

What NSN replaces 2530-00-433-2952?

There are 12 known substitutes for 2530-00-433-2952: 5910-00-190-6085, 5930-00-246-5599, 5920-00-252-2022 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 878977R92?

Key specifications for 878977R92: Overall Height: 5.750 INCHES NOMINAL IN; Material: IRON CAST BODY; Compressed Length: 12.000 INCHES NOMINAL IN; First Piston Rod End Thread Class: 2A A. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-433-2952 still in active supply?

NSN 2530-00-433-2952 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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