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Technical Data Sheet
391320C91 ✓ 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

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include material: IRON CAST BODY, bore_type: STRAIGHT, port_style: INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED, bore_diameter: 1.188 INCHES NOMINAL IN, overall_width: 1.670 INCHES NOMINAL IN, overall_height: 2.445 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-300-6798, 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
391320C91
NSN: 2530-00-300-6798
FSC: 2530
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialIRON CAST BODY
bore_typeSTRAIGHT
port_styleINVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
bore_diameter1.188 INCHES NOMINAL IN
overall_width1.670 INCHES NOMINAL IN
overall_height2.445 INCHES NOMINAL IN
overall_diameter1.500 INCHES NOMINAL IN
mounting_positionLEFT
port_thread_class2B LOCATION NOT OTHERWISE SPECIFIED
seat_angle_in_deg37.0 LOCATION NOT OTHERWISE SPECIFIED
mounting_provisionTHREADED MOUNTING HOLES
port_thread_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN2530-00-300-6798
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN 391320C91 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
MOUNTING PROVISION ARRANGEMENT STYLE: TWO HOLE
BLEEDING FEATURE QUANTITY: 1
DESIGN CHARACTERISTICS: DOUBLE ACTING SINGLE CYLINDER
SEAT ANGLE IN DEG: 37.0 LOCATION NOT OTHERWISE SPECIFIED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS: 1.625 INCHES NOMINAL IN
MOUNTING FACILITY THREAD CLASS: 2B
MOUNTING FACILITY THREAD DIAMETER: 0.313 INCHES NOMINAL IN
PORT STYLE: INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING PROVISION ARRANGEMENT STYLETWO HOLE
BLEEDING FEATURE QUANTITY1
DESIGN CHARACTERISTICSDOUBLE ACTING SINGLE CYLINDER
SEAT ANGLE IN DEG37.0 LOCATION NOT OTHERWISE SPECIFIED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS1.625 INCHES NOMINAL IN
MOUNTING FACILITY THREAD CLASS2B
MOUNTING FACILITY THREAD DIAMETER0.313 INCHES NOMINAL IN
PORT STYLEINVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
PORT THREAD SERIES DESIGNATORUNF LOCATION NOT OTHERWISE SPECIFIED
MATERIALIRON CAST BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
407-62Interchangeable
interchangeable cross-reference
interchangeable
3547Interchangeable
interchangeable cross-reference
interchangeable
407-733Interchangeable
interchangeable cross-reference
interchangeable
O-C-275Interchangeable
interchangeable cross-reference
interchangeable
172450Interchangeable
interchangeable cross-reference
interchangeable
2R53P23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 391320C91?
391320C91 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 391320C91?
There are 17 known substitutes for 391320C91: 407-62, 3547, 407-733 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 391320C91?
391320C91 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-300-6798. This indicates validated use in U.S. government and defense supply chains.
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