PartsTable
Technical Data Sheet
H4783 ✓ 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 ATTENUATOR SUBASSEMBLY is a the manufacturer industrial component. Key specifications include length: 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT, material: STEEL CORROSION RESISTING OVERALL, fuel_filter: INCLUDED, blade_length: 170.0 MILLIMETERS NOMINAL MM, specific_use: AUTOPSY, footwear_size: 8 OR 9 OR 10 OR 11 OR 12. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-179-6381, 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
H4783
NSN: 3120-00-179-6381
FSC: 3120
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
length20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
materialSTEEL CORROSION RESISTING OVERALL
fuel_filterINCLUDED
blade_length170.0 MILLIMETERS NOMINAL MM
specific_useAUTOPSY
footwear_size8 OR 9 OR 10 OR 11 OR 12
mounting_typeSAE ALTERNATE
overall_width3.090 INCHES MINIMUM AND 3.150 INCHES MAXIMUM IN
priming_leverNOT INCLUDED
stroke_length0.250 INCHES NOMINAL IN
drain_facilityNOT INCLUDED
heat_treatmentH-111 STRAIN HARDENED
NSN3120-00-179-6381
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: H4783 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
150-436KASSYInterchangeable
interchangeable cross-reference
interchangeable
478-3Interchangeable
interchangeable cross-reference
interchangeable
20A998Interchangeable
interchangeable cross-reference
interchangeable
16636Interchangeable
interchangeable cross-reference
interchangeable
PA3500Interchangeable
interchangeable cross-reference
interchangeable
60-1987Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H4783?
H4783 is a ATTENUATOR SUBASSEMBLY.
What parts can replace H4783?
There are 14 known substitutes for H4783: 150-436KASSY, 478-3, 20A998 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H4783?
H4783 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-179-6381. This indicates validated use in U.S. government and defense supply chains.
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