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Technical Data Sheet
PartsTable / COMPONENT / 19AS789
19AS789 ✓ 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 TELEPHONE TERMINAL SUBASSEMBLY is a the manufacturer industrial component. Key specifications include overall_width: 5.580 INCHES NOMINAL IN, overall_height: 1.420 INCHES NOMINAL IN, overall_length: 5.960 INCHES NOMINAL IN, end_item_identification: PRIMARY ALERTING SYSTEM 21340, component_type_and_quantity: 1 PANEL AND 11 RESISTOR AND 4 CAPACITOR AND 5 LABEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-126-1089, 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
19AS789
NSN: 3120-01-126-1089
FSC: 3120
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
overall_width5.580 INCHES NOMINAL IN
overall_height1.420 INCHES NOMINAL IN
overall_length5.960 INCHES NOMINAL IN
special_featuresSUPPLIES THREE SEPARATE SUPERVISORY TONES:DIAL TONE,RINGBACK TONE,AND SWITCH-SELECTABLE CHOICE OF EITHER BUSY TONE OR ALERTING TONE
end_item_identificationPRIMARY ALERTING SYSTEM 21340
component_type_and_quantity1 PANEL AND 11 RESISTOR AND 4 CAPACITOR AND 5 LABEL
NSN3120-01-126-1089
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 19AS789 · 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 15
10035Interchangeable
interchangeable cross-reference
interchangeable
710035Interchangeable
interchangeable cross-reference
interchangeable
16514Interchangeable
interchangeable cross-reference
interchangeable
9121Interchangeable
interchangeable cross-reference
interchangeable
7103SYZQInterchangeable
interchangeable cross-reference
interchangeable
7103SYZInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19AS789?
19AS789 is a TELEPHONE TERMINAL SUBASSEMBLY.
What parts can replace 19AS789?
There are 15 known substitutes for 19AS789: 10035, 710035, 16514 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 19AS789?
19AS789 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-126-1089. 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