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Technical Data Sheet
45120D ✓ Verified by PartsTable
· BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The COMPUTER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, valve_size: 3.000 INCHES IN, bonnet_type: INSIDE SCREW, style_designator: STRAIGHT THRU, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: DIAPHRAGM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-424-7598, 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
45120D
NSN: 3120-00-424-7598
FSC: 3120
CAGE: 29930 — INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV (USA)
SPECIFICATIONS
materialBRONZE BODY
valve_size3.000 INCHES IN
bonnet_typeINSIDE SCREW
style_designatorSTRAIGHT THRU
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDIAPHRAGM
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
NSN3120-00-424-7598
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 45120D · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CORNER SHAPE: SQUARE OUTSIDE LEFT CORNER
BODY INSIDE DIAMETER: 1.1270 INCHES MINIMUM AND 1.1310 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER: 1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
MATERIAL: STEEL OUTER LAYER
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
OVERALL LENGTH1.7500 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.1270 INCHES MINIMUM AND 1.1310 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
MATERIALSTEEL OUTER LAYER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 793 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 798 ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
P-74379KInterchangeable
interchangeable cross-reference
interchangeable
74379Interchangeable
interchangeable cross-reference
interchangeable
74379K 86184Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45120D?
45120D is a COMPUTER SUBASSEMBLY.
What parts can replace 45120D?
There are 3 known substitutes for 45120D: P-74379K, 74379, 74379K 86184. Substitute compatibility should be verified for your specific system.
What is the NSN for 45120D?
45120D is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-424-7598. This indicates validated use in U.S. government and defense supply chains.
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