PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WC55890Cylinder Assembly,hydraulic Brak

C E Niehoff & Co · NSN 2530-00-113-5456 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-113-5456 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-113-5456. Primary manufacturer part number: WC55890.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Bleeding Feature Quantity: 1
  • Port Thread Series Designator: NPT LOCATION NOT OTHERWISE SPECIFIED
  • Bore Type: STRAIGHT
  • Design Characteristics: SINGLE ACTING SINGLE CYLINDER
  • Mounting Type and Location: FLANGE CENTER SECTION
  • Body Outside Diameter: 1.500 INCHES NOMINAL IN
  • Bore Diameter: 1.062 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Body construction
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-113-5456, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is C E Niehoff & Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 18 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
NSN2530-00-113-5456
Primary Part NumberWC55890
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerC E Niehoff & Co
StatusACTIVE
Bleeding Feature Quantity1
Port Thread Series DesignatorNPT LOCATION NOT OTHERWISE SPECIFIED
Bore TypeSTRAIGHT
Design CharacteristicsSINGLE ACTING SINGLE CYLINDER
Mounting Type and LocationFLANGE CENTER SECTION
Body Outside Diameter1.500 INCHES NOMINAL IN
Bore Diameter1.062 INCHES NOMINAL IN
Port Nominal Pipe Thread Size0.125 INCHES IN
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2930-00-053-0553RB1953 INTERCHANGEABLE
Radiator,engine Coolant
Long Mfg Ltd
5930-00-134-1312 INTERCHANGEABLE
Switch,push
4930-00-152-2031 INTERCHANGEABLE
Lubricating Assy,ai
3110-00-227-490917105 INTERCHANGEABLE
Bearing,roller,radial and Thrust
Eaton Aerospace, Llc Dba Jackson South
6810-00-234-8361 INTERCHANGEABLE
Ammonium Phosphate,dibasic
6810-00-264-6547 INTERCHANGEABLE
Ammonium Phosphate,dibasic
3455-00-268-950759-10090 INTERCHANGEABLE
Cutter,milling,screw Slotting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5325-00-282-006310630P11 INTERCHANGEABLE
Ring,retaining
Taylor Machine Works Inc
5325-00-285-7132T8-6-5 INTERCHANGEABLE
Ring,retaining
Borg-Warner Corp
2805-00-354-3476 INTERCHANGEABLE
Guide,valve Stem
Cross-Reference Index
Part NumberManufacturer
WC55890 C E Niehoff & Co (USA)
3484 Bendix Corp the Brake and Steering Div (USA)
172-254 Delco Moraine Div of General Motors Corp (USA)
WC55890 Trw Inc Replacement Parts Div (USA)
F55890 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
37118 Echlin Inc (USA)
3484 Allied Automotive Allied Aftermarket Div (USA)
3484 Bendix Corp the (USA)
172-254 General Motors Corp Delco Electronics Div (USA)
WC35073 Rm Engineered Products Inc (USA)
W55890 Airtex Products Div of Uis Inc (USA)
17105 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
EW37567 Eis Brake Parts Div of Standard Motor Products Inc (USA)
C60Z-2062-A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
H-55890 Chrysler Corp Service and Parts Opns (USA)
219-1468 Goodyear Tire and Rubber Co the (USA)
2978 Montgomery Ward and Co Inc (USA)
C60Z-2062-A Ford Motor Company (USA)
Related Parts
2930-00-053-0553INTERCHANGEABLE
RADIATOR,ENGINE COOLANT
RB1953
5930-00-134-1312INTERCHANGEABLE
SWITCH,PUSH
4930-00-152-2031INTERCHANGEABLE
LUBRICATING ASSY,AI
3110-00-227-4909INTERCHANGEABLE
BEARING,ROLLER,RADIAL AND THRUST
17105
6810-00-234-8361INTERCHANGEABLE
AMMONIUM PHOSPHATE,DIBASIC
6810-00-264-6547INTERCHANGEABLE
AMMONIUM PHOSPHATE,DIBASIC
3455-00-268-9507INTERCHANGEABLE
CUTTER,MILLING,SCREW SLOTTING
59-10090
5325-00-282-0063INTERCHANGEABLE
RING,RETAINING
10630P11
5325-00-285-7132INTERCHANGEABLE
RING,RETAINING
T8-6-5
2805-00-354-3476INTERCHANGEABLE
GUIDE,VALVE STEM
3510-00-359-9345INTERCHANGEABLE
COVER,TUMBLER,AIR HEATER BOX
34-84
2530-00-383-9862INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
45Z14

Frequently Asked Questions

What is NSN 2530-00-113-5456?

NSN 2530-00-113-5456 is a Cylinder Assembly,hydraulic Brak, manufactured by C E Niehoff & Co, classified under FSC 2530 (No Item Name Available). Status: active.

What are the part numbers for NSN 2530-00-113-5456?

NSN 2530-00-113-5456 has 18 cross-referenced part numbers: WC55890 (C E Niehoff & Co), 3484 (Bendix Corp the Brake and Steering Div), 172-254 (Delco Moraine Div of General Motors Corp), WC55890 (Trw Inc Replacement Parts Div), F55890 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div) and 13 more.

What NSN replaces 2530-00-113-5456?

There are 12 known substitutes for 2530-00-113-5456: 2930-00-053-0553, 5930-00-134-1312, 4930-00-152-2031 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WC55890?

Key specifications for WC55890: Bleeding Feature Quantity: 1; Port Thread Series Designator: NPT LOCATION NOT OTHERWISE SPECIFIED; Bore Type: STRAIGHT; Overall Width: 2.625 INCHES NOMINAL IN. 11 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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