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PartsTable / COMPONENT / N804200059
N804200059 ✓ 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 VALVE,DIAPHRAGM,STOP is a the manufacturer industrial component. Key specifications include material: STEEL BODY, flange_shape: ROUND ALL ENDS, connection_type: FLANGE ALL ENDS, special_features: UNIT HAS ONE EACH CONTROL PILOT, TYPE PDAN-2, RANGE 1/2 TO 20 PSI, nominal_thickness: 0.056 INCHES ALL ENDS IN, bolt_hole_quantity: 4 ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-495-7903, 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
N804200059
NSN: 4820-01-495-7903
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL BODY
flange_shapeROUND ALL ENDS
connection_typeFLANGE ALL ENDS
special_featuresUNIT HAS ONE EACH CONTROL PILOT, TYPE PDAN-2, RANGE 1/2 TO 20 PSI
nominal_thickness0.056 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
flange_face_designRAISED STRAIGHT ALL ENDS
valve_operation_methodMANUAL
end_item_identificationWEAPON CODE TH; STRATEGIC SEALIFT CONVERSION SHIPS CLASS
nominal_outside_diameter4.250 INCHES ALL ENDS IN
bolt_hole_nominal_diameter0.620 INCHES ALL ENDS IN
raised_face_nominal_height0.060 INCHES ALL ENDS IN
NSN4820-01-495-7903
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N804200059 · 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 21
1"150#FLGDDONSAND1/2"TRIM3F6J2RLInterchangeable
interchangeable cross-reference
interchangeable
DD0NS1-150FInterchangeable
interchangeable cross-reference
interchangeable
DD0NSCDSH23601NInterchangeable
interchangeable cross-reference
interchangeable
38538Interchangeable
interchangeable cross-reference
interchangeable
16606NInterchangeable
interchangeable cross-reference
interchangeable
16606N PIECE 3DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N804200059?
N804200059 is a VALVE,DIAPHRAGM,STOP.
What parts can replace N804200059?
There are 21 known substitutes for N804200059: 1"150#FLGDDONSAND1/2"TRIM3F6J2RL, DD0NS1-150F, DD0NSCDSH23601N and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N804200059?
N804200059 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-495-7903. 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