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Technical Data Sheet
PartsTable / COMPONENT / 87643-9802
87643-9802 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include width: 11.710 INCHES NOMINAL IN, length: 9.940 INCHES NOMINAL IN, material: NICKEL ALLOY, body_thickness: 0.125 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER, peripheral_shape_style: RECTANGLE, MULTI HOLES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-154-8125, 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
87643-9802
NSN: 4820-01-154-8125
FSC: 4820
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
width11.710 INCHES NOMINAL IN
length9.940 INCHES NOMINAL IN
materialNICKEL ALLOY
body_thickness0.125 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, MULTI HOLES
end_item_identification17IN. SIZE VALVE IN
hole_quantity_along_width8
cross-sectional_shape_styleFLAT
distance_between_holes_along_width3.750 INCHES NOMINAL IN
distance_between_holes_along_length8.580 INCHES NOMINAL IN
general_characteristics_item_descriptionNICKEL ALUMINUM BRONZE
NSN4820-01-154-8125
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 87643-9802 · 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
KEY FEATURES
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
4675792-0034Interchangeable
interchangeable cross-reference
interchangeable
87643-9804Interchangeable
interchangeable cross-reference
interchangeable
501-4675792 ITEM 34Interchangeable
interchangeable cross-reference
interchangeable
501-4675792Interchangeable
interchangeable cross-reference
interchangeable
501-4675792 ITEM 8Interchangeable
interchangeable cross-reference
interchangeable
87643-9804 ITEM 8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 87643-9802?
87643-9802 is a STEM,FLUID VALVE.
What parts can replace 87643-9802?
There are 24 known substitutes for 87643-9802: 4675792-0034, 87643-9804, 501-4675792 ITEM 34 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 87643-9802?
87643-9802 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-154-8125. 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