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Technical Data Sheet
PartsTable / COMPONENT / 44809
44809 ✓ 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

UNIVERSAL JOINT,SOCKET WRENCH AT. Key specifications include end_item_identification: U-2 AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-939-8465, 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
44809
NSN: 3120-00-939-8465
FSC: 3120
CAGE: 16004 — DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC (USA)
SPECIFICATIONS
end_item_identificationU-2 AIRCRAFT
NSN3120-00-939-8465
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 44809 · 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
•
MATERIAL: STEEL OUTSIDE DIAMETER SURFACE OF BODY
•
BODY INSIDE DIAMETER: 3.7500 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
HOLE DIAMETER: 0.2500 INCHES NOMINAL FIRST IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 2 HOLE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OUTSIDE DIAMETER SURFACE OF BODY
BODY INSIDE DIAMETER3.7500 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
HOLE DIAMETER0.2500 INCHES NOMINAL FIRST IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
ANTIROTATION/LUBRICATION TYPE AND QUANTITY2 HOLE
MATERIALTIN ALLOY INSIDE DIAMETER SURFACE OF BODY
OVERALL LENGTH0.8590 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.9370 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
37308-6Interchangeable
interchangeable cross-reference
interchangeable
40TB8Interchangeable
interchangeable cross-reference
interchangeable
A-A-59125/4Interchangeable
interchangeable cross-reference
interchangeable
00944809000Interchangeable
interchangeable cross-reference
interchangeable
9-44809Interchangeable
interchangeable cross-reference
interchangeable
AS4283 TY1CL2STBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 44809?
44809 is a UNIVERSAL JOINT,SOCKET WRENCH AT.
What parts can replace 44809?
There are 9 known substitutes for 44809: 37308-6, 40TB8, A-A-59125/4 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 44809?
44809 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-939-8465. 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