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302957 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PISTON,HYDRAULIC BRAKE is a the manufacturer industrial component. Key specifications include shape: INVERTED CONE, length: 0.750 INCHES NOMINAL IN, material: ALUMINUM, size_designator: 1-3/8 IN. IN, outside_diameter: 1.372 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN, surface_condition: PLAIN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-368-7012, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
302957
NSN: 2530-00-368-7012
FSC: 2530
CAGE: 78385 — MEGGITT TROY INC (USA)
SPECIFICATIONS
shapeINVERTED CONE
length0.750 INCHES NOMINAL IN
materialALUMINUM
size_designator1-3/8 IN. IN
outside_diameter1.372 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
surface_conditionPLAIN
fsc_application_dataBRAKE ASSY,TRUCK CHASSIS
shoe_actuating_end_typeSOCKET
NSN2530-00-368-7012
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,HYDRAULIC BRAKE TITLE COMPONENT PN 302957 MFR PISTON,HYDRAULIC BRAKE
KEY FEATURES
•
LENGTH: 0.750 INCHES NOMINAL IN
•
SHAPE: INVERTED CONE
•
OUTSIDE DIAMETER: 1.372 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM
•
SIZE DESIGNATOR: 1-3/8 IN. IN
•
SHOE ACTUATING END TYPE: SOCKET
•
SURFACE CONDITION: PLAIN
•
FSC APPLICATION DATA: BRAKE ASSY,TRUCK CHASSIS
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH0.750 INCHES NOMINAL IN
SHAPEINVERTED CONE
OUTSIDE DIAMETER1.372 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
MATERIALALUMINUM
SIZE DESIGNATOR1-3/8 IN. IN
SHOE ACTUATING END TYPESOCKET
SURFACE CONDITIONPLAIN
FSC APPLICATION DATABRAKE ASSY,TRUCK CHASSIS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
AS3209-015Interchangeable
interchangeable cross-reference
interchangeable
J221P015Interchangeable
interchangeable cross-reference
interchangeable
675-00015-0Interchangeable
interchangeable cross-reference
interchangeable
DBE59AInterchangeable
interchangeable cross-reference
interchangeable
13359Interchangeable
interchangeable cross-reference
interchangeable
C01052Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 302957?
302957 is a PISTON,HYDRAULIC BRAKE.
What parts can replace 302957?
There are 20 known substitutes for 302957: AS3209-015, J221P015, 675-00015-0 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 302957?
302957 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-368-7012. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026