PartsTable
Technical Data Sheet
87643-9803 ✓ 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 PLATE,RETAINING,VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, overall_height: 1.093 INCHES NOMINAL IN, overall_length: 13.560 INCHES NOMINAL IN, inside_diameter: 0.546 INCHES NOMINAL IN, outside_diameter: 3.500 INCHES NOMINAL IN, style_designator: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-137-6055, 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
87643-9803
NSN: 4820-01-137-6055
FSC: 4820
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
overall_height1.093 INCHES NOMINAL IN
overall_length13.560 INCHES NOMINAL IN
inside_diameter0.546 INCHES NOMINAL IN
outside_diameter3.500 INCHES NOMINAL IN
style_designatorPLAIN
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter2.880 INCHES NOMINAL IN
general_characteristics_item_descriptionNICKEL COPPER ALLOY QQ-N-281 CL A,A8 ROLLED;OD 7.000 IN.;4 HOLES 0.531 IN. DIA THRU AND CENTERBORE 0.781 IN. DIA BY 0.562 IN. DEEP ON 5.500 IN. DEEP BOLT CIRLCE;ID 2.250 IN.;0.875 IN. THICK IN
NSN4820-01-137-6055
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 87643-9803 · 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: RUBBER CHLOROPRENE CLASS CR
INSIDE DIAMETER: 0.546 INCHES NOMINAL IN
STYLE DESIGNATOR: PLAIN
OUTSIDE DIAMETER: 3.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER CHLOROPRENE CLASS CR
OVERALL HEIGHT1.093 INCHES NOMINAL IN
INSIDE DIAMETER0.546 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
OUTSIDE DIAMETER3.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
501-4675697 ITEInterchangeable
interchangeable cross-reference
interchangeable
708-4674148 ITEM 25Interchangeable
interchangeable cross-reference
interchangeable
4675791Interchangeable
interchangeable cross-reference
interchangeable
87643-9803 ITEM 14Interchangeable
interchangeable cross-reference
interchangeable
87643-9803Interchangeable
interchangeable cross-reference
interchangeable
501-4675791Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 87643-9803?
87643-9803 is a PLATE,RETAINING,VALVE.
What parts can replace 87643-9803?
There are 13 known substitutes for 87643-9803: 501-4675697 ITE, 708-4674148 ITEM 25, 4675791 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 87643-9803?
87643-9803 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-137-6055. This indicates validated use in U.S. government and defense supply chains.
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