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83903 — TELEPHONE SET

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

83903: TELEPHONE SET.

The TELEPHONE SET is a the manufacturer industrial component. Key specifications include overall_width: 6.062 INCHES NOMINAL IN, overall_height: 4.937 INCHES NOMINAL IN, overall_length: 11.937 INCHES NOMINAL IN, style_designator: PUSH BUTTON, fsc_application_data: TELEPHONE AND TELEGRAPH EQUIPMENT, incoming_call_signal_device: RINGER. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-591-6792, 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
MRO→ MRO_GENERAL→ 83903
NSN: 3120-00-591-6792
NIINs: 005916792, 011709771, 012685188
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0AX87 — JPI TRANSPORTATION PRODUCTS INC (USA)
SPECIFICATIONS
overall_width6.062 INCHES NOMINAL IN
overall_height4.937 INCHES NOMINAL IN
overall_length11.937 INCHES NOMINAL IN
style_designatorPUSH BUTTON
fsc_application_dataTELEPHONE AND TELEGRAPH EQUIPMENT
incoming_call_signal_deviceRINGER
outgoing_call_signal_deviceHOOK SWITCH
NSN3120-00-591-6792
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 83903 · 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
•
SURFACE FINISH: 100.0 MICROINCHES OVERALL
•
BODY OUTSIDE DIAMETER: 4.3830 INCHES MINIMUM AND 4.3835 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 4.0131 INCHES MINIMUM AND 4.0145 INCHES MAXIMUM IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 2 HOLE
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SURFACE GROOVE LOCATION AND QUANTITY: 3 INTERNAL
•
HOLE DIAMETER: 0.2344 INCHES MINIMUM FIRST IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH100.0 MICROINCHES OVERALL
BODY OUTSIDE DIAMETER4.3830 INCHES MINIMUM AND 4.3835 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.3594 INCHES MINIMUM AND 1.3906 INCHES MAXIMUM IN
BODY INSIDE DIAMETER4.0131 INCHES MINIMUM AND 4.0145 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY2 HOLE
SURFACE GROOVE LOCATION AND QUANTITY3 INTERNAL
HOLE DIAMETER0.2344 INCHES MINIMUM FIRST IN
HOLE DIAMETER0.2656 INCHES MAXIMUM SECOND IN
SUBSTITUTES & CROSS-REFERENCES 1
CGB83903Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 83903?
83903 is a TELEPHONE SET. It is classified as a MRO (MRO_GENERAL).
What parts can replace 83903?
There is 1 known substitute for 83903: CGB83903. Substitute compatibility should be verified for your specific system.
What is the NSN for 83903?
83903 is cataloged in the U.S. Government catalog under NSN 3120-00-591-6792. This indicates validated use in U.S. government and defense supply chains.
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