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Technical Data Sheet
4983 ✓ Verified by PartsTable
Zyxel · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

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This globa This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-6381, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO MRO_GENERAL 4983
NSN: 5330-00-285-6381
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL
case_styleSQUARE
seal_width0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
body_length4.500 INCHES NOMINAL IN
handle_typeL-STYLE
key_quantity13
body_diameter0.750 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
inclosure_typeUNINCLOSED
terminal_length0.812 INCHES NOMINAL IN
style_designatorRADIAL TERMINAL EACH END
features_providedLONG SERIES
NSN5330-00-285-6381
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4983 MFR: Zyxel ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CASE STYLE: SQUARE
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER: 0.999 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER: 0.500 INCHES NOMINAL IN
SEAL WIDTH: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER0.999 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER0.500 INCHES NOMINAL IN
MATERIALSTEEL CASE
SEAL WIDTH0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
40119Interchangeable
interchangeable cross-reference
interchangeable
SK70-1072Interchangeable
interchangeable cross-reference
interchangeable
70-1072Interchangeable
interchangeable cross-reference
interchangeable
79-6677Interchangeable
interchangeable cross-reference
interchangeable
64003-43ISSUEAInterchangeable
interchangeable cross-reference
interchangeable
MA675042AYSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4983?
4983 is a RESISTOR,FIXED,WIRE WOUND manufactured by Zyxel. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4983?
There are 20 known substitutes for 4983: 40119, SK70-1072, 70-1072 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4983?
4983 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-6381. This indicates validated use in U.S. government and defense supply chains.
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