PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

388066C91Cylinder Assembly,hydraulic Brak

Navistar Intl Corp Truck Br Ohio Plant · NSN 2530-00-455-1205 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-455-1205 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-455-1205. Primary manufacturer part number: 388066C91.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Center to Center Distance Between Mounting Provisions: 1.625 INCHES NOMINAL IN
  • Port Thread Quantity Per Inch: 24 LOCATION NOT OTHERWISE SPECIFIED
  • Seat Angle in Deg: 42.0 LOCATION NOT OTHERWISE SPECIFIED
  • Port Style: INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
  • Features Provided: BLEEDER VALVES AND RUBBER BOOT
  • Port Location and Quantity: 1 CENTER SECTION
  • Bore Diameter: 0.938 INCHES NOMINAL IN
Applications
  • Applications requiring Iron Cast Body construction
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-455-1205, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2530-00-455-1205
Primary Part Number388066C91
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusCANCELLED
Center to Center Distance Between Mounting Provisions1.625 INCHES NOMINAL IN
Port Thread Quantity Per Inch24 LOCATION NOT OTHERWISE SPECIFIED
Seat Angle in Deg42.0 LOCATION NOT OTHERWISE SPECIFIED
Port StyleINVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
Features ProvidedBLEEDER VALVES AND RUBBER BOOT
Port Location and Quantity1 CENTER SECTION
Bore Diameter0.938 INCHES NOMINAL IN
Mounting ProvisionTHREADED MOUNTING HOLES
Body Outside Diameter1.390 INCHES NOMINAL IN
Port Thread Series DesignatorUNF LOCATION NOT OTHERWISE SPECIFIED
Mounting Type and LocationFLANGE CENTER SECTION
Mounting PositionLEFT
Mounting Facility Thread Length0.500 INCHES NOMINAL IN
Mounting Facility Thread DirectionRIGHT-HAND
MaterialIRON CAST BODY
Mounting Facility Thread Quantity Per Inch18
Mounting Facility Thread Class2B
Bore TypeSTRAIGHT
Mounting Facility Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Mounting Facility Thread Diameter0.312 INCHES NOMINAL IN
Mounting Provision Arrangement StyleTWO HOLE
Bleeding Feature Quantity1
Port Thread Diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Design CharacteristicsSINGLE ACTING SINGLE CYLINDER
Port Thread Class2B LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2530-00-116-9399 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Cross-Reference Index
Part NumberManufacturer
388066C91 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
Related Parts
2530-00-116-9399INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK

Frequently Asked Questions

What is NSN 2530-00-455-1205?

NSN 2530-00-455-1205 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 2530-00-455-1205?

NSN 2530-00-455-1205 has 1 cross-referenced part number: 388066C91 (Navistar Intl Corp Truck Br Ohio Plant).

What NSN replaces 2530-00-455-1205?

There is 1 known substitute for 2530-00-455-1205: 2530-00-116-9399. Verify interchangeability with system specifications before substitution.

What are the specifications of 388066C91?

Key specifications for 388066C91: Center to Center Distance Between Mounting Provisions: 1.625 INCHES NOMINAL IN; Port Thread Quantity Per Inch: 24 LOCATION NOT OTHERWISE SPECIFIED; Seat Angle in Deg: 42.0 LOCATION NOT OTHERWISE SPECIFIED; Port Style: INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-455-1205 still in active supply?

NSN 2530-00-455-1205 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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