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Technical Data Sheet
PartsTable / COMPONENT / 171781
171781 ✓ 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 NET,CAMOUFLAGE,FIBER is a the manufacturer industrial component. Key specifications include end_item_identification: CH-47E HELICOPTER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-326-0369, 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
171781
NSN: 3120-00-326-0369
FSC: 3120
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
end_item_identificationCH-47E HELICOPTER
NSN3120-00-326-0369
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 171781 · 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
•
FLANGE OUTSIDE DIAMETER: 1.5700 INCHES MINIMUM AND 1.5900 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.3150 INCHES MINIMUM AND 1.3160 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 1.0660 INCHES MINIMUM AND 1.0700 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.1140 INCHES MINIMUM AND 0.1180 INCHES MAXIMUM IN
•
LUBRICANT ACCOMMODATION STYLE: GROOVED OPEN ONE END
•
SURFACE FINISH: 200.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
•
CORNER SHAPE: CHAMFERED INSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE OUTSIDE DIAMETER1.5700 INCHES MINIMUM AND 1.5900 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.3150 INCHES MINIMUM AND 1.3160 INCHES MAXIMUM IN
OVERALL LENGTH1.5100 INCHES MINIMUM AND 1.5300 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.0660 INCHES MINIMUM AND 1.0700 INCHES MAXIMUM IN
FLANGE WIDTH0.1140 INCHES MINIMUM AND 0.1180 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED OPEN ONE END
SURFACE FINISH200.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
SURFACE FINISH80.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE INSIDE LEFT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2D2224Interchangeable
interchangeable cross-reference
interchangeable
302639R1Interchangeable
interchangeable cross-reference
interchangeable
171781Interchangeable
interchangeable cross-reference
interchangeable
13226E0970-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 171781?
171781 is a NET,CAMOUFLAGE,FIBER.
What parts can replace 171781?
There are 4 known substitutes for 171781: 2D2224, 302639R1, 171781 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 171781?
171781 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-326-0369. 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