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PartsTable / COMPONENT / 31107S-7-G33029
31107S-7-G33029 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, outside_diameter: 2.688 INCHES NOMINAL2.688 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.938 INCHES NOMINAL1.938 INCHES NOMINAL IN, end_item_identification: 1 1/2IN SWING CHECK VALVE1 1/2IN SWING CHECK VALVE IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-503-7821, 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
31107S-7-G33029
NSN: 5330-01-503-7821
FSC: 5330
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
outside_diameter2.688 INCHES NOMINAL2.688 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.938 INCHES NOMINAL1.938 INCHES NOMINAL IN
end_item_identification1 1/2IN SWING CHECK VALVE1 1/2IN SWING CHECK VALVE IN
NSN5330-01-503-7821
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31107S-7-G33029 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
•
OUTSIDE DIAMETER: 2.688 INCHES NOMINAL2.688 INCHES NOMINAL IN
•
MATERIAL: GRAPHITE SPIRAL WOUND FILLER
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 1.938 INCHES NOMINAL1.938 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.688 INCHES NOMINAL2.688 INCHES NOMINAL IN
END ITEM IDENTIFICATION1 1/2IN SWING CHECK VALVE1 1/2IN SWING CHECK VALVE IN
MATERIALGRAPHITE SPIRAL WOUND FILLER
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER1.938 INCHES NOMINAL1.938 INCHES NOMINAL IN
MATERIALSTEEL COMP 316 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
6-18PCInterchangeable
interchangeable cross-reference
interchangeable
8365773Interchangeable
interchangeable cross-reference
interchangeable
32143Interchangeable
interchangeable cross-reference
interchangeable
55026Interchangeable
interchangeable cross-reference
interchangeable
89010Interchangeable
interchangeable cross-reference
interchangeable
BEDPAN, STAINLESS STEELInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31107S-7-G33029?
31107S-7-G33029 is a GASKET,SPIRAL WOUND.
What parts can replace 31107S-7-G33029?
There are 11 known substitutes for 31107S-7-G33029: 6-18PC, 8365773, 32143 and 8 more. Substitute compatibility should be verified for your specific system.
Is 31107S-7-G33029 still available?
31107S-7-G33029 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026