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Technical Data Sheet
PartsTable / COMPONENT / R-2102-1
R-2102-1 ✓ 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: COPPER ALLOY 932 OVERALL, body_width: 0.400 INCHES MAXIMUM IN, body_height: 0.450 INCHES NOMINAL IN, body_length: 1.625 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-287-7188, 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
R-2102-1
NSN: 3120-00-287-7188
FSC: 3120
CAGE: 83120 — PRESSED METALS OF AMERICA INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 932 OVERALL
body_width0.400 INCHES MAXIMUM IN
body_height0.450 INCHES NOMINAL IN
body_length1.625 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity2400 SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_length0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
NSN3120-00-287-7188
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: R-2102-1 · 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
•
BODY INSIDE DIAMETER: 1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-701 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: COPPER ALLOY 932 OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY OUTSIDE DIAMETER: 1.3755 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-701 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CORNER SHAPESQUARE ALL CORNERS
MATERIALCOPPER ALLOY 932 OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY OUTSIDE DIAMETER1.3755 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN
OVERALL LENGTH0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A85SET3Interchangeable
interchangeable cross-reference
interchangeable
A-A-52160Interchangeable
interchangeable cross-reference
interchangeable
MS39255-3A85Interchangeable
interchangeable cross-reference
interchangeable
SC-C-539489Interchangeable
interchangeable cross-reference
interchangeable
AHK3Interchangeable
interchangeable cross-reference
interchangeable
SC-C-539489-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R-2102-1?
R-2102-1 is a COIL,RADIO FREQUENCY.
What parts can replace R-2102-1?
There are 20 known substitutes for R-2102-1: A85SET3, A-A-52160, MS39255-3A85 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R-2102-1?
R-2102-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-287-7188. 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