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Technical Data Sheet
F857 ✓ 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 CUP,HYDRAULIC BRAKE CYLINDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 NUT, nut_style: HEXAGON, nut_height: 1.016 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, temp_rating: 250.0 FAHRENHEIT MAXIMUM DEGF, angle_in_deg: 65.0. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-033-6030, 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
F857
NSN: 2530-00-033-6030
FSC: 2530
CAGE: 63477 — FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 303 NUT
nut_styleHEXAGON
nut_height1.016 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
temp_rating250.0 FAHRENHEIT MAXIMUM DEGF
angle_in_deg65.0
thread_class2B
cup_protectorNOT INCLUDED
thread_seriesUNF
base_thickness0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
overall_length0.332 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
NSN2530-00-033-6030
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUP,HYDRAULIC BRAKE CYLINDER TITLE COMPONENT PN F857 MFR CUP,HYDRAULIC BRAKE CY
KEY FEATURES
MOUNTING METHOD: FLAT SOLID BASE
ANGLE IN DEG: 65.0
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR RUBBER BUTADIENE-STYRENE CLASS SBR
FSC APPLICATION DATA: MOTOR VEHICLE
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-417, GRADE RS720ABF2 MIL SPEC SINGLE MATERIAL RESPONSE
PROJECTION LENGTH: 0.237 INCHES NOMINAL IN
OUTER PERIPHERY BASE GROOVE: NOT INCLUDED
CUP PROTECTOR: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODFLAT SOLID BASE
ANGLE IN DEG65.0
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR RUBBER BUTADIENE-STYRENE CLASS SBR
FSC APPLICATION DATAMOTOR VEHICLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-417, GRADE RS720ABF2 MIL SPEC SINGLE MATERIAL RESPONSE
PROJECTION LENGTH0.237 INCHES NOMINAL IN
OUTER PERIPHERY BASE GROOVENOT INCLUDED
CUP PROTECTORNOT INCLUDED
BASE OUTSIDE DIAMETER1.343 INCHES MINIMUM AND 1.358 INCHES MAXIMUM IN
BASE INSIDE PROJECTIONINCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
666193-658Interchangeable
interchangeable cross-reference
interchangeable
135Interchangeable
interchangeable cross-reference
interchangeable
R-131Interchangeable
interchangeable cross-reference
interchangeable
1111-518113Interchangeable
interchangeable cross-reference
interchangeable
24C112Interchangeable
interchangeable cross-reference
interchangeable
6-2400Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F857?
F857 is a CUP,HYDRAULIC BRAKE CYLINDER.
What parts can replace F857?
There are 31 known substitutes for F857: 666193-658, 135, R-131 and 28 more. Substitute compatibility should be verified for your specific system.
Is F857 still available?
F857 is currently cancelled.
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