Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_thickness: 1.688 INCHES NOMINAL IN, outside_diameter: 6.875 INCHES NOMINAL IN, special_features: LEVEL ONE REQUIREMENTS DO NOT APPLY, bolt_circle_diameter: 5.688 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-177-5329, 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
NS-4023
NSN:5340-01-177-5329 FSC:5340 CAGE:11836 — NATIONAL OILWELL (USA)
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FREQUENTLY ASKED QUESTIONS
What is NS-4023?
NS-4023 is a VALVE,CHECK.
What parts can replace NS-4023?
There are 16 known substitutes for NS-4023: NLT300-7, NLT300-7L1, 589022-3 and 13 more. Substitute compatibility should be verified for your specific system.
Is NS-4023 still available?
NS-4023 is currently cancelled.
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