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678536C91 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

678536C91: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: RECESSED, seal_width: 0.625 INCHES NOMINAL IN, special_features: FURN/W SPACER, housing_bore_diameter: 7.062 INCHES NOMINAL IN, sealing_element_style: ANGULAR-OPPOSED. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-071-1771, 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
678536C91
NSN: 5330-00-071-1771
FSC: 5330 — Packing and Gasket Materials
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleRECESSED
seal_width0.625 INCHES NOMINAL IN
special_featuresFURN/W SPACER
housing_bore_diameter7.062 INCHES NOMINAL IN
sealing_element_styleANGULAR-OPPOSED
accommodated_shaft_diameter6.000 INCHES NOMINAL IN
NSN5330-00-071-1771
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 678536C91 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: 0.625 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
HOUSING BORE DIAMETER: 7.062 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 6.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.625 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
HOUSING BORE DIAMETER7.062 INCHES NOMINAL IN
CASE STYLERECESSED
SPECIAL FEATURESFURN/W SPACER
ACCOMMODATED SHAFT DIAMETER6.000 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 2
601673C91Reference document
Same NSN cross-reference
Reference document — Secondary reference
678528C1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 678536C91?
678536C91 is a SEAL,PLAIN ENCASED.
What parts can replace 678536C91?
There are 2 known substitutes for 678536C91: 601673C91, 678528C1. Substitute compatibility should be verified for your specific system.
What is the NSN for 678536C91?
678536C91 is cataloged in the U.S. Government catalog under NSN 5330-00-071-1771. This indicates validated use in U.S. government and defense supply chains.
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