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2643-840-07-ITEM-22 — Technical Data Sheet

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— · 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 COVER PLATE,VALVE is a the manufacturer industrial component. Key specifications include width: 0.094 INCHES NOMINAL IN, diameter: 1.750 INCHES NOMINAL IN, material: COPPER ALLOY, drive_type: HEX HEAD, thread_size: 1.750-16, thread_class: 3A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-713-6876, 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
2643-840-07-ITEM-22
NSN: 4820-01-713-6876
FSC: 4820
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
width0.094 INCHES NOMINAL IN
diameter1.750 INCHES NOMINAL IN
materialCOPPER ALLOY
drive_typeHEX HEAD
thread_size1.750-16
thread_class3A A
overall_length0.094 INCHES NOMINAL IN
inside_diameter1.160 INCHES NOMINAL IN
outside_diameter1.470 INCHES NOMINAL IN
overall_thickness0.125 INCHES NOMINAL IN
screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN4820-01-713-6876
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2643-840-07-ITEM-22 · 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 9
845-7383596-6Interchangeable
interchangeable cross-reference
interchangeable
845-7383596Interchangeable
interchangeable cross-reference
interchangeable
2643-840-07-6Interchangeable
interchangeable cross-reference
interchangeable
845-7383596-7Interchangeable
interchangeable cross-reference
interchangeable
2643-840-07-7Interchangeable
interchangeable cross-reference
interchangeable
845-7383596-19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2643-840-07-ITEM-22?
2643-840-07-ITEM-22 is a COVER PLATE,VALVE.
What parts can replace 2643-840-07-ITEM-22?
There are 9 known substitutes for 2643-840-07-ITEM-22: 845-7383596-6, 845-7383596, 2643-840-07-6 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2643-840-07-ITEM-22?
2643-840-07-ITEM-22 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-713-6876. 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: August 2026