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Technical Data Sheet
PartsTable / MRO / 4908
4908 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include width: 75.000 INCHES NOMINAL IN, length: 120.000 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, pulp_type: KRAFT, unit_type: MECHANICAL, body_style: CYLINDRICAL BUSHING MOUNTED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-794-6192, 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→ 4908
NSN: 5330-00-794-6192
FSC: 5330
CAGE: 77969 — RUBBERCRAFT CORPORATION OF CALIFORNIA, LTD. DBA RUBBERCRAFT CORP (USA)
SPECIFICATIONS
width75.000 INCHES NOMINAL IN
length120.000 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
pulp_typeKRAFT
unit_typeMECHANICAL
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.688 INCHES NOMINAL IN
shaft_styleROUND, SLOTTED
constructionTRIPLE WALL
shaft_length0.625 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter0.625 INCHES NOMINAL IN
NSN5330-00-794-6192
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4908 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE OVERALL
•
MATERIAL: ALUMINUM ALLOY 6061 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
•
GAGE RING THICKNESS: 0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
•
CROSS-SECTIONAL THICKNESS: 0.116 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
GAGE RING THICKNESS0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.116 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
4908Interchangeable
interchangeable cross-reference
interchangeable
PPP-F-320Interchangeable
interchangeable cross-reference
interchangeable
PPP-F-320 TYCFCLWRVATWInterchangeable
interchangeable cross-reference
interchangeable
STE10339Interchangeable
interchangeable cross-reference
interchangeable
RCS10RInterchangeable
interchangeable cross-reference
interchangeable
GS15894-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4908?
4908 is a RESISTOR,VARIABLE,WIRE WOUND,NON manufactured by Zyxel. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4908?
There are 11 known substitutes for 4908: 4908, PPP-F-320, PPP-F-320 TYCFCLWRVATW and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4908?
4908 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-794-6192. 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