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3960343 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3960343: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, case_style: SQUARE, seal_width: 0.268 INCHES NOMINAL IN, outside_diameter: 5.506 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 5.5010 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-467-3201, 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
3960343
NSN: 5330-01-467-3201
FSC: 5330 — Packing and Gasket Materials
CAGE: 51905 — JLG INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleSQUARE
seal_width0.268 INCHES NOMINAL IN
outside_diameter5.506 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter5.5010 INCHES NOMINAL IN
sealing_element_styleVERTICAL
end_item_identificationPLATFORM TRUCK
accommodated_shaft_diameter4.250 INCHES NOMINAL IN
NSN5330-01-467-3201
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3960343 MFR: OEM ⚠ 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
•
SEAL WIDTH: 0.268 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
OUTSIDE DIAMETER: 5.506 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 5.5010 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 4.250 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.268 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
OUTSIDE DIAMETER5.506 INCHES NOMINAL IN
HOUSING BORE DIAMETER5.5010 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER4.250 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
END ITEM IDENTIFICATIONPLATFORM TRUCK
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 1
42528Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3960343?
3960343 is a SEAL,PLAIN ENCASED.
What parts can replace 3960343?
There is 1 known substitute for 3960343: 42528. Substitute compatibility should be verified for your specific system.
What is the NSN for 3960343?
3960343 is cataloged in the U.S. Government catalog under NSN 5330-01-467-3201. This indicates validated use in U.S. government and defense supply chains.
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