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PartsTable / COMPONENT / 740066 ITEM 16
740066 ITEM 16 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The BALL,VALVE,PORTED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A, style_designator: BALL, rolling_element_diameter: 0.5000 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA STD TOLERANCE FOR BALLS, GRADE 10, material_document_and_classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-183-0583, 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
740066 ITEM 16
NSN: 4820-01-183-0583
FSC: 4820
CAGE: 35076 — AIRCRAFT APPLIANCES AND EQUIPMENT LIMITED DIV AIRCRAFT APPLIANCES AND EQUIPMENT LTD. (CAN)
SPECIFICATIONS
materialSTEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A
style_designatorBALL
rolling_element_diameter0.5000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR BALLS, GRADE 10
material_document_and_classificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN4820-01-183-0583
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 740066 ITEM 16 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
18304B ITEM 18Interchangeable
interchangeable cross-reference
interchangeable
50081236600Interchangeable
interchangeable cross-reference
interchangeable
5-061-0611Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 740066 ITEM 16?
740066 ITEM 16 is a BALL,VALVE,PORTED.
What parts can replace 740066 ITEM 16?
There are 3 known substitutes for 740066 ITEM 16: 18304B ITEM 18, 50081236600, 5-061-0611. Substitute compatibility should be verified for your specific system.
What is the NSN for 740066 ITEM 16?
740066 ITEM 16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-183-0583. 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