PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FE661Cylinder Assembly,hydraulic Brak

Federal Mogul Corp Sub Wagner Brake Moog Automotive Div · NSN 2530-00-558-5588 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-558-5588 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-558-5588. Primary manufacturer part number: FE661.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Stoplight Switch Thread Series Designator: NPTF
  • Port Location and Quantity: 2 CYLINDER HEAD END
  • First Piston Rod End Thread Class: 2B
  • Mounting Facility Diameter: 0.406 INCHES NOMINAL IN
  • Port Thread Diameter: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Stoplight Switch Nominal Pipe Thread Size: 0.125 INCHES IN
  • Thread Direction: UNABLE TO DECODE
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 2530-00-558-5588, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 24 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
NSN2530-00-558-5588
Primary Part NumberFE661
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerFederal Mogul Corp Sub Wagner Brake Moog Automotive Div
StatusCANCELLED
Stoplight Switch Thread Series DesignatorNPTF
Port Location and Quantity2 CYLINDER HEAD END
First Piston Rod End Thread Class2B
Mounting Facility Diameter0.406 INCHES NOMINAL IN
Port Thread Diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Stoplight Switch Nominal Pipe Thread Size0.125 INCHES IN
Thread DirectionUNABLE TO DECODE
Mounting Facility Circle Diameter3.250 INCHES NOMINAL IN
Port Thread Class2B LOCATION NOT OTHERWISE SPECIFIED
Actuation MethodDIRECT
Reservoir TypeINTEGRAL
First Piston Rod End Thread Diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Port Thread Series DesignatorUNF LOCATION NOT OTHERWISE SPECIFIED
Port Thread Quantity Per Inch18 LOCATION NOT OTHERWISE SPECIFIED
Compressed Length7.594 INCHES NOMINAL IN
First Piston Rod End Thread Series DesignatorUNF
Extended Length9.031 INCHES NOMINAL IN
Mounting Type and LocationFLANGE PISTON ROD END
Mounting ProvisionUNTHREADED MOUNTING HOLES
Straight Bore Inside Diameter1.500 INCHES NOMINAL IN
First Piston Rod End Thread Quantity Per Inch18
Port StyleGASKET SEAL LOCATION NOT OTHERWISE SPECIFIED
Mounting Provision Arrangement StyleTHREE HOLE BOLT CIRCLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-262-4814FC14297 INTERCHANGEABLE
Washer,flat
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
4730-00-278-3397235200 INTERCHANGEABLE
Plug,pipe
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4820-00-308-985428442 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4720-00-678-873528442 INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
4310-00-679-8815R22505 INTERCHANGEABLE
Ring Set,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
5970-00-715-8221395149-1 INTERCHANGEABLE
Insulator,bead
Dla Aviation Engineering Div Department of Defense
4320-00-870-4018D161-169-120 INTERCHANGEABLE
Piston,pump
Circor Naval Solutions Llc Dba Warren Pumps
3120-01-017-729728442 INTERCHANGEABLE
Bearing,sleeve
Hydro-Aire Aerospace Corp
5998-01-158-526528442 INTERCHANGEABLE
Circuit Card Assembly
Hamilton Sundstrand Corporation Dba Collins Aerospace
5998-01-193-1337028442 INTERCHANGEABLE
Printed Circuit Board
Abd Intl Inc Dba Abdick
Cross-Reference Index
Part NumberManufacturer
382056 White Motor Corp (USA)
355PC18 Oshkosh Corp (USA)
28442 Komatsu America Corporation (USA)
6951277 Buchanan Machine Shop (USA)
28442 Dressta North America Ltd (USA)
352445 White Motor Corp (USA)
NU661 Brake Parts Co Sub of the Echlin Mfg Co (USA)
90FE661 Tvh Parts Co. (USA)
H28442 Komatsu America Corporation (USA)
48175HX Navistar International Corporation Dba Navistar (USA)
722795 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
6951277 Eaton Corp Forestry and Construction Equipment Div Batavia Plant (USA)
FE1348 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
F661 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
E661 Eis Brake Parts Div of Standard Motor Products Inc (USA)
5585588 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
90FE661 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
10B9644 Napco International Llc Dba Napco International Inc (USA)
10WS4824 Abm Equipment, Llc (USA)
FE661 PRIMARY Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
Related Parts
5310-00-262-4814INTERCHANGEABLE
WASHER,FLAT
FC14297
4730-00-278-3397INTERCHANGEABLE
PLUG,PIPE
235200
4820-00-308-9854INTERCHANGEABLE
STEM,FLUID VALVE
28442
4720-00-678-8735INTERCHANGEABLE
HOSE,NONMETALLIC
28442
4310-00-679-8815INTERCHANGEABLE
RING SET,PISTON
R22505
5970-00-715-8221INTERCHANGEABLE
INSULATOR,BEAD
395149-1
4320-00-870-4018INTERCHANGEABLE
PISTON,PUMP
D161-169-120
3120-01-017-7297INTERCHANGEABLE
BEARING,SLEEVE
28442
5998-01-158-5265INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
28442
5998-01-193-1337INTERCHANGEABLE
PRINTED CIRCUIT BOARD
028442
8030-01-286-3924INTERCHANGEABLE
SEALING COMPOUND
5120-01-598-3575INTERCHANGEABLE
WRENCH,OPEN END BOX

Frequently Asked Questions

What is NSN 2530-00-558-5588?

NSN 2530-00-558-5588 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 2530-00-558-5588?

NSN 2530-00-558-5588 has 31 cross-referenced part numbers: 382056 (White Motor Corp), 355PC18 (Oshkosh Corp), 28442 (Komatsu America Corporation), 6951277 (Buchanan Machine Shop), 28442 (Dressta North America Ltd) and 26 more.

What NSN replaces 2530-00-558-5588?

There are 12 known substitutes for 2530-00-558-5588: 5310-00-262-4814, 4730-00-278-3397, 4820-00-308-9854 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FE661?

Key specifications for FE661: Stoplight Switch Thread Series Designator: NPTF; Port Location and Quantity: 2 CYLINDER HEAD END; Overall Width: 2.375 INCHES NOMINAL IN; End Item Identification: 3805-01-030-2816. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-558-5588 still in active supply?

NSN 2530-00-558-5588 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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