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79-98-877 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

79-98-877: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, outside_diameter: 3.420 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.185 INCHES NOMINAL IN, cross-sectional_thickness: 0.093 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-888-7652, 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
79-98-877
NSN: 5330-00-888-7652
FSC: 5330 — Packing and Gasket Materials
CAGE: 16662 — LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
outside_diameter3.420 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.185 INCHES NOMINAL IN
cross-sectional_thickness0.093 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMS-R-2 FSCM 77200 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-888-7652
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 79-98-877 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
•
CROSS-SECTIONAL THICKNESS: 0.093 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MS-R-2 FSCM 77200 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 3.420 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.185 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.093 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMS-R-2 FSCM 77200 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.420 INCHES NOMINAL IN
APERTURE DIAMETER3.185 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
2870393Reference document
Same NSN cross-reference
Reference document — Secondary reference
98-877Reference document
Same NSN cross-reference
Reference document — Secondary reference
SPP-1-133Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 79-98-877?
79-98-877 is a GASKET.
What parts can replace 79-98-877?
There are 3 known substitutes for 79-98-877: 2870393, 98-877, SPP-1-133. Substitute compatibility should be verified for your specific system.
What is the NSN for 79-98-877?
79-98-877 is cataloged in the U.S. Government catalog under NSN 5330-00-888-7652. This indicates validated use in U.S. government and defense supply chains.
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