Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The LENS INSERT,PRESCRIPTION is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: LENS INSERT PRESCRIPTION ESS/OAKLEY U-K. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-040-8368, 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
740-0411
NSN:5330-01-040-8368 FSC:5330 CAGE:04171 — MAGNETIC SEAL LLC (USA)
SPECIFICATIONS
special_features
ESS/OAKLEY U-RX PRESCRIPTION INSERT WITH NOSEPIECE AND ADAPTER; COMPATIBLE WITH ESS ICE 2, ICE NARO, CROSSBOW SPECTACLES, OAKLEY SI M FRAME 2.0 SPECTACLES AND ESS PROFILE NVG GOGGLES
part_name_assigned_by_controlling_agency
LENS INSERT PRESCRIPTION ESS/OAKLEY U-K
NSN
5330-01-040-8368
COMPONENT DIAGRAM
KEY FEATURES
•
CENTER HOLE DIAMETER: 0.498 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 416 OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.260 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL DIAMETER: 0.810 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLANGE
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER
0.498 INCHES NOMINAL IN
MATERIAL
STEEL COMP 416 OVERALL
CROSS-SECTIONAL HEIGHT
0.260 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION
FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
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FREQUENTLY ASKED QUESTIONS
What is 740-0411?
740-0411 is a LENS INSERT,PRESCRIPTION.
What parts can replace 740-0411?
There are 3 known substitutes for 740-0411: 6540NCM104405, 17079, 740-0411. Substitute compatibility should be verified for your specific system.
What is the NSN for 740-0411?
740-0411 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-040-8368. This indicates validated use in U.S. government and defense supply chains.
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