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R68331-217 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

R68331-217: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 304 SPRING, seal_width: 0.129 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, temp_rating: -423.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF, construction: SOLID, housing_bore_diameter: 1.438 INCHES NOMINAL IN, accommodated_shaft_diameter: 1.168 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-143-6582, 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
R68331-217
NSN: 5330-01-143-6582
FSC: 5330 — Packing and Gasket Materials
CAGE: 0AT62 — SIEMENS ENERGY, INC. DBA DRESSER-RAND (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 304 SPRING
seal_width0.129 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
temp_rating-423.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
constructionSOLID
housing_bore_diameter1.438 INCHES NOMINAL IN
accommodated_shaft_diameter1.168 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
cross-sectional_shape_styleC-SECTION W/ FLAT SPRING
NSN5330-01-143-6582
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R68331-217 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
•
TEMP RATING: -423.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.129 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 1.438 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: C-SECTION W/ FLAT SPRING
•
ACCOMMODATED SHAFT DIAMETER: 1.168 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 304 SPRING
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
TEMP RATING-423.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
SEAL WIDTH0.129 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
HOUSING BORE DIAMETER1.438 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEC-SECTION W/ FLAT SPRING
ACCOMMODATED SHAFT DIAMETER1.168 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
MATERIALSTEEL COMP 301 OR STEEL COMP 304 SPRING
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 1
1820-22Reference document
Same NSN cross-reference
Reference document — Secondary 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 R68331-217?
R68331-217 is a SEAL,PLAIN.
What parts can replace R68331-217?
There is 1 known substitute for R68331-217: 1820-22. Substitute compatibility should be verified for your specific system.
What is the NSN for R68331-217?
R68331-217 is cataloged in the U.S. Government catalog under NSN 5330-01-143-6582. This indicates validated use in U.S. government and defense supply chains.
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