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PartsTable / COMPONENT / NMP-611 PC19
NMP-611 PC19 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, overall_height: 0.625 INCHES NOMINAL IN, special_features: THREADED PORTION HEIGHT IS .500-14; LUGS TO BE MACHINED OUT AFTER ASSEMBLY, style_designator: PLAIN, body_inside_diameter: 4.000 INCHES NOMINAL IN, body_outside_diameter: 4.938 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-538-2868, 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
NMP-611 PC19
NSN: 4820-01-538-2868
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
overall_height0.625 INCHES NOMINAL IN
special_featuresTHREADED PORTION HEIGHT IS .500-14; LUGS TO BE MACHINED OUT AFTER ASSEMBLY
style_designatorPLAIN
body_inside_diameter4.000 INCHES NOMINAL IN
body_outside_diameter4.938 INCHES NOMINAL IN
seating_surface_shapeFLAT
end_item_identification4820-01-538-2850, RELIEF VALVE; W/S CVN NR BOUNDARY AREA
material_document_and_classificationQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySEAT RING
NSN4820-01-538-2868
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NMP-611 PC19 · 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
•
BODY OUTSIDE DIAMETER: 4.938 INCHES NOMINAL IN
•
SEATING SURFACE SHAPE: FLAT
•
MATERIAL: NICKEL ALLOY OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 4.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER4.938 INCHES NOMINAL IN
SPECIAL FEATURESTHREADED PORTION HEIGHT IS .500-14; LUGS TO BE MACHINED OUT AFTER ASSEMBLY
SEATING SURFACE SHAPEFLAT
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAT RING
MATERIALNICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER4.000 INCHES NOMINAL IN
END ITEM IDENTIFICATION4820-01-538-2850, RELIEF VALVE; W/S CVN NR BOUNDARY AREA
OVERALL HEIGHT0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
012-500-0010Interchangeable
interchangeable cross-reference
interchangeable
51-5-10Interchangeable
interchangeable cross-reference
interchangeable
NMP611PC12Interchangeable
interchangeable cross-reference
interchangeable
NMP-611Interchangeable
interchangeable cross-reference
interchangeable
0041040038Interchangeable
interchangeable cross-reference
interchangeable
NMP611 OP A, DISC AY, FW SERVICEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NMP-611 PC19?
NMP-611 PC19 is a SEAT,VALVE.
What parts can replace NMP-611 PC19?
There are 7 known substitutes for NMP-611 PC19: 012-500-0010, 51-5-10, NMP611PC12 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NMP-611 PC19?
NMP-611 PC19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-538-2868. 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