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Technical Data Sheet
PartsTable / COMPONENT / 2121727
2121727 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL COMP EZ OVERALL, body_style: PLAIN, SOLID, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 7.5000 DEGREES, pitch_diameter: 1.5000 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 3120-00-132-4745, 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
2121727
NSN: 3120-00-132-4745
FSC: 3120
CAGE: 93334 — ATWOOD FENCE CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP EZ OVERALL
body_stylePLAIN, SOLID
teeth_typeSINGLE HELIX
tooth_formSTANDARD
helix_angle7.5000 DEGREES
pitch_diameter1.5000 INCHES NOMINAL IN
pressure_angle34.0000 DEGREES
teeth_quantity10
tooth_directionRIGHT
style_designatorHUBLESS
face_nominal_width0.497 INCHES IN
material_document_and_classificationMIL-S-869,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-132-4745
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2121727 · 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 10
2121727Interchangeable
interchangeable cross-reference
interchangeable
17305Interchangeable
interchangeable cross-reference
interchangeable
101040Interchangeable
interchangeable cross-reference
interchangeable
989111-14BInterchangeable
interchangeable cross-reference
interchangeable
17396-002Interchangeable
interchangeable cross-reference
interchangeable
UA79MGHCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2121727?
2121727 is a COIL,RADIO FREQUENCY.
What parts can replace 2121727?
There are 10 known substitutes for 2121727: 2121727, 17305, 101040 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2121727?
2121727 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-132-4745. 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