PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FE681Cylinder Assembly,hydraulic Brak

Federal Mogul Corp Sub Wagner Brake Moog Automotive Div · NSN 2530-00-383-4819 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-383-4819 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-383-4819. Primary manufacturer part number: FE681.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Port Location and Quantity: 1 CYLINDER HEAD END
  • Port Style: GASKET SEAL LOCATION NOT OTHERWISE SPECIFIED
  • Mounting Facility Diameter: 0.406 INCHES NOMINAL IN
  • Reservoir Type: INTEGRAL
  • Port Thread Class: 2B LOCATION NOT OTHERWISE SPECIFIED
  • First Piston Rod End Thread Diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Mounting Provision: UNTHREADED MOUNTING HOLES
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-383-4819, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Federal Mogul Corp Sub Wagner Brake Moog Automotive Div. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 32 commercial cross-references from 20 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
NSN2530-00-383-4819
Primary Part NumberFE681
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerFederal Mogul Corp Sub Wagner Brake Moog Automotive Div
StatusCANCELLED
Port Location and Quantity1 CYLINDER HEAD END
Port StyleGASKET SEAL LOCATION NOT OTHERWISE SPECIFIED
Mounting Facility Diameter0.406 INCHES NOMINAL IN
Reservoir TypeINTEGRAL
Port Thread Class2B LOCATION NOT OTHERWISE SPECIFIED
First Piston Rod End Thread Diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Mounting ProvisionUNTHREADED MOUNTING HOLES
Actuation MethodDIRECT
Mounting Provision Arrangement StyleTHREE HOLE BOLT CIRCLE
First Piston Rod End Thread Series DesignatorUNF
Stoplight Switch Thread Series DesignatorNPT
Extended Length9.031 INCHES NOMINAL IN
Port Thread Diameter0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Features ProvidedFILLER PLUG AND RUBBER BOOT
First Piston Rod End Thread Quantity Per Inch20
Port Thread Quantity Per Inch20 LOCATION NOT OTHERWISE SPECIFIED
Port Thread Series DesignatorUNF LOCATION NOT OTHERWISE SPECIFIED
Compressed Length7.594 INCHES NOMINAL IN
Stoplight Switch Nominal Pipe Thread Size0.125 INCHES IN
Mounting Facility Circle Diameter3.250 INCHES NOMINAL IN
Mounting Type and LocationFLANGE PISTON ROD END
Thread DirectionUNABLE TO DECODE
First Piston Rod End Thread Class2B
Straight Bore Inside Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-077-1919174114 INTERCHANGEABLE
Screw
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
3455-00-187-0402716-028261 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
3110-00-227-3874 INTERCHANGEABLE
Bearing,roller,needle
1650-00-235-4538341661 INTERCHANGEABLE
Plate,retaining,pis
Eaton Aerospace, Llc Dba Jackson South
5110-00-240-7073DWG5110-00-240-7073 INTERCHANGEABLE
Knife,craftsman's
General Services Administration Federal Supply Service
4030-00-270-788811716 INTERCHANGEABLE
Hook,chain,s
Hindley Manufacturing Company Inc
4730-00-289-0292 INTERCHANGEABLE
Coupling,tube
4720-00-555-3499 INTERCHANGEABLE
Hose,nonmetallic
3020-00-605-8526E681 INTERCHANGEABLE
Gear,helical
Whippany Actuation Systems, Llc
6115-00-658-069213213E4109 INTERCHANGEABLE
Rotor,generator
Cecom Lr Center
Cross-Reference Index
Part NumberManufacturer
49103HX Navistar International Corporation Dba Navistar (USA)
C21999 White Motor Corp (USA)
F681 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
MC681 Brake Parts Co Sub of the Echlin Mfg Co (USA)
M681 Airtex Products Div of Uis Inc (USA)
E681 Eis Brake Parts Div of Standard Motor Products Inc (USA)
FE681 PRIMARY Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
426207 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
N8507 Diamond Reo Truck Co (USA)
49103H Navistar International Corporation Dba Navistar (USA)
FD2006 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
MC681 Trw Inc Replacement Parts Div (USA)
60112 Divco Truck Div of Divco-Wayne Corp (USA)
49103HX Navistar Intl Corp Truck Br Ohio Plant (USA)
341661 White Motor Corp (USA)
49103H Navistar Intl Corp Truck Br Ohio Plant (USA)
DX5211 Diamond Reo Truck Co (USA)
FE683 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
101836H Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
5461380 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5305-00-077-1919INTERCHANGEABLE
SCREW
174114
3455-00-187-0402INTERCHANGEABLE
CUTTER,MILLING,END
716-028261
3110-00-227-3874INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
1650-00-235-4538INTERCHANGEABLE
PLATE,RETAINING,PIS
341661
5110-00-240-7073INTERCHANGEABLE
KNIFE,CRAFTSMAN'S
DWG5110-00-240-7073
4030-00-270-7888INTERCHANGEABLE
HOOK,CHAIN,S
11716
4730-00-289-0292INTERCHANGEABLE
COUPLING,TUBE
4720-00-555-3499INTERCHANGEABLE
HOSE,NONMETALLIC
3020-00-605-8526INTERCHANGEABLE
GEAR,HELICAL
E681
6115-00-658-0692INTERCHANGEABLE
ROTOR,GENERATOR
13213E4109
4730-00-722-1295INTERCHANGEABLE
COUPLING,TUBE
4720-00-822-2284INTERCHANGEABLE
HOSE,NONMETALLIC
2583-12

Frequently Asked Questions

What is NSN 2530-00-383-4819?

NSN 2530-00-383-4819 is a Cylinder Assembly,hydraulic Brak, manufactured by Federal Mogul Corp Sub Wagner Brake Moog Automotive Div, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-00-383-4819?

NSN 2530-00-383-4819 has 32 cross-referenced part numbers: 49103HX (Navistar International Corporation Dba Navistar), C21999 (White Motor Corp), F681 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div), MC681 (Brake Parts Co Sub of the Echlin Mfg Co), M681 (Airtex Products Div of Uis Inc) and 27 more.

What NSN replaces 2530-00-383-4819?

There are 12 known substitutes for 2530-00-383-4819: 5305-00-077-1919, 3455-00-187-0402, 3110-00-227-3874 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FE681?

Key specifications for FE681: Port Location and Quantity: 1 CYLINDER HEAD END; Port Style: GASKET SEAL LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Diameter: 0.406 INCHES NOMINAL IN; Overall Width: 3.562 INCHES NOMINAL IN. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-383-4819 still in active supply?

NSN 2530-00-383-4819 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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