PartsTable
Technical Data Sheet
PS1-30-5-50 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, special_features: CLEANED AND PACKAGED PER MIL-P-52211 /CE, center_hole_diameter: 4.250 INCHES NOMINAL IN, cross-sectional_height: 0.187 INCHES NOMINAL IN, criticality_code_justification: FEAT, reference_number_differentiating_characteristics: AS DIFFERENTIATED BY ESPECIALLY PROCESSED FOR USE WITH LIQUID OXYGEN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-810-0187, 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
PS1-30-5-50
NSN: 5331-00-810-0187
FSC: 5331 — O-RING
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
special_featuresCLEANED AND PACKAGED PER MIL-P-52211 /CE
center_hole_diameter4.250 INCHES NOMINAL IN
cross-sectional_height0.187 INCHES NOMINAL IN
criticality_code_justificationFEAT
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY ESPECIALLY PROCESSED FOR USE WITH LIQUID OXYGEN
NSN5331-00-810-0187
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PS1-30-5-50 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
MATERIAL: RUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT: 0.187 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATION: FEAT
CENTER HOLE DIAMETER: 4.250 INCHES NOMINAL IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY ESPECIALLY PROCESSED FOR USE WITH LIQUID OXYGEN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.187 INCHES NOMINAL IN
SPECIAL FEATURESCLEANED AND PACKAGED PER MIL-P-52211 /CE
CRITICALITY CODE JUSTIFICATIONFEAT
CENTER HOLE DIAMETER4.250 INCHES NOMINAL IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY ESPECIALLY PROCESSED FOR USE WITH LIQUID OXYGEN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
AN6227B50Interchangeable
interchangeable cross-reference
interchangeable
6227-50Interchangeable
interchangeable cross-reference
interchangeable
A395X72Interchangeable
interchangeable cross-reference
interchangeable
AN-6227-50Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PS1-30-5-50?
PS1-30-5-50 is a O-RING.
What parts can replace PS1-30-5-50?
There are 4 known substitutes for PS1-30-5-50: AN6227B50, 6227-50, A395X72 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PS1-30-5-50?
PS1-30-5-50 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-810-0187. This indicates validated use in U.S. government and defense supply chains.
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