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414121 ✓ 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 LENS,HELMET,WELDER'S is a the manufacturer industrial component. Key specifications include end_item_identification: KC-46 AIRCRAFT, reference_number_differentiating_characteristics: ITEM IS FAA CERTIFIED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-980-0732, 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
414121
NSN: 5330-00-980-0732
FSC: 5330
CAGE: 01284 — TRANSOCEAN AIRLINES OVERHAUL AGENCY
SPECIFICATIONS
end_item_identificationKC-46 AIRCRAFT
reference_number_differentiating_characteristicsITEM IS FAA CERTIFIED
NSN5330-00-980-0732
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 414121 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 OVERALL
•
CENTER HOLE DIAMETER: 1.236 INCHES MINIMUM AND 1.264 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 1.595 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
RIM SURFACE WIDTH: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC OVERALL
CENTER HOLE DIAMETER1.236 INCHES MINIMUM AND 1.264 INCHES MAXIMUM IN
PERIPHERAL DIAMETER1.595 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
RIM SURFACE WIDTH0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
428SPInterchangeable
Lens,helmet,welder's
interchangeable
ANSI Z87.1Interchangeable
Lens,helmet,welder's
interchangeable
GGG-H-211 TY III STY BInterchangeable
Lens,helmet,welder's
interchangeable
414121Interchangeable
interchangeable cross-reference
interchangeable
414121WEInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 414121?
414121 is a LENS,HELMET,WELDER'S.
What parts can replace 414121?
There are 5 known substitutes for 414121: 428SP, ANSI Z87.1, GGG-H-211 TY III STY B and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 414121?
414121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-980-0732. 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