PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 10-70500-20
10-70500-20 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include special_features: PARTS NAME: COVER, CON1, GEN 3.1, IPS, end_item_identification: WELDER, PORTABLE ARC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-819-2504, 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
10-70500-20
NSN: 5340-00-819-2504
FSC: 5340
CAGE: 77820 — AMPHENOL CORP DIV AMPHENOL AEROSPACE OPERATIONS (USA)
SPECIFICATIONS
special_featuresPARTS NAME: COVER, CON1, GEN 3.1, IPS
end_item_identificationWELDER, PORTABLE ARC
NSN5340-00-819-2504
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10-70500-20 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: PLASTIC, POLYETHYLENE (PP)
•
INSIDE DIAMETER LENGTH: 0.500 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 1.291 INCHES MINIMUM AND 1.311 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 1.434 INCHES MINIMUM AND 1.496 INCHES MAXIMUM IN
•
DESIGN TYPE: FRICTION
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC, POLYETHYLENE (PP)
INSIDE DIAMETER LENGTH0.500 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
OPENING INSIDE DIAMETER FOR WHICH DESIGNED1.291 INCHES MINIMUM AND 1.311 INCHES MAXIMUM IN
OVERALL DIAMETER1.434 INCHES MINIMUM AND 1.496 INCHES MAXIMUM IN
DESIGN TYPEFRICTION
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
N215EC20Upgraded Successor
successor cross-reference
successor
AS85049-41Upgraded Successor
successor cross-reference
successor
1219270-6Upgraded Successor
successor cross-reference
successor
1070500-20Interchangeable
interchangeable cross-reference
interchangeable
W7001375Interchangeable
interchangeable cross-reference
interchangeable
MS90376-20RInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10-70500-20?
10-70500-20 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 10-70500-20?
There are 13 known substitutes for 10-70500-20: N215EC20, AS85049-41, 1219270-6 and 10 more. Substitute compatibility should be verified for your specific system.
Is 10-70500-20 still available?
10-70500-20 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026