Product Details | HYDRAULIC BRAKE CYLINDER CUP

2530-00-979-4338 A circular-shaped item of molded synthetic or natural rubber designed specifically to seal fluid pressure and prevent leakage within the cylinders of a vehicular hydraulic brake system. It is a component of CYLINDER ASSEMBLY, HYDRAULIC BRAKE, MASTER or CYLINDER ASSEMBLY, HYDRAULIC BRAKE, WHEEL. Excludes CUP, COMPRESSION.20216300032Aircraft Wheel and Brake Systems25300060Vehicular Brake, Steering, Axle, Wheel, and Track Components

Part Alternates: VG5548, 1706J88, 2530-00-979-4338, 00-979-4338, 2530009794338, 009794338

Vehicular Equipment Components | Vehicular Brake, Steering, Axle, Wheel, and Track Components

Supply Group (FSG) NSN Assign. NIIN
25 12 OCT 1966 00-979-4338

Cross Reference | NSN 2530-00-979-4338

Part Number Cage Code Manufacturer
1706J88 02397 ROCKWELL INTL CORP HIGHWAY BRAKE AND TRAILER AXLE DIV
1706J88 3D6E9 AXLETECH INTERNATIONAL, LLC
1706J88 78500 MERITOR HEAVY VEHICLE SYSTEMS LLC DIV MERITOR HEAVY VEHICLE SYSTEMS,
VG5548 35311 AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV

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Technical Data | NSN 2530-00-979-4338

Characteristic Specifications
SIZE DESIGNATOR 1.875
MATERIAL RUBBER, SYNTHETIC
MOUNTING METHOD FLAT BASE
BASE INSIDE PROJECTION NOT INCLUDED
FEATHERED LIP FEATURE INCLUDED
ANGLE IN DEG 60.0
CUP PROTECTOR NOT INCLUDED
OUTER PERIPHERY BASE GROOVE NOT INCLUDED
LARGEST OUTSIDE DIAMETER 1.950 INCHES NOMINAL
BASE OUTSIDE DIAMETER 1.838 INCHES NOMINAL
SEALING LIP LENGTH 0.267 INCHES NOMINAL
OVERALL LENGTH 0.406 INCHES NOMINAL
BASE THICKNESS 0.130 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 2530-00-979-4338

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 018400 AUTO BRAKES/SHOES R PADS ETC
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 581 unknown
Originating Activity Code AJ U.S. Army Soldier's Biological and Chemical
Command
Natick, MA 01760
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable