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Technical Data Sheet
PartsTable / O-RING / 2620-902PC19,0.500IN
2620-902PC19,0.500IN ✓ 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 2620-902PC19,0.500IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-244-3527, 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
2620-902PC19,0.500IN
NSN: 5331-01-244-3527
FSC: 5331 — O-RING
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part Number2620-902PC19,0.500IN
NSN5331-01-244-3527
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2620-902PC19,0.500IN 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
CENTER HOLE DIAMETER: 1.000 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.129 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
SPECIAL FEATURESMIL-I-45208; MIL-STD-129
ELONGATION PERCENTAGE160 MAXIMUM
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CENTER HOLE DIAMETER1.000 INCHES NOMINAL IN
OUTSIDE DIAMETER1.129 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
ASC1100725Interchangeable
interchangeable cross-reference
interchangeable
P-ZLAB-0052601Interchangeable
interchangeable cross-reference
interchangeable
25.12X1.78-24B7Interchangeable
interchangeable cross-reference
interchangeable
0-55Interchangeable
interchangeable cross-reference
interchangeable
UN 1H2/Y150/SInterchangeable
interchangeable cross-reference
interchangeable
PC570600UDERGBRInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2620-902PC19,0.500IN?
2620-902PC19,0.500IN is a 2620-902PC19,0.500IN.
What parts can replace 2620-902PC19,0.500IN?
There are 18 known substitutes for 2620-902PC19,0.500IN: ASC1100725, P-ZLAB-0052601, 25.12X1.78-24B7 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2620-902PC19,0.500IN?
2620-902PC19,0.500IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-244-3527. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026