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PartsTable / COMPONENT / NMP278PC51
NMP278PC51 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.469 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.469 INCHES NOMINAL IN, style_designator: PLAIN THREADED, seat_angle_in_deg: 45.000 NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1732, 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
NMP278PC51
NSN: 4820-00-036-1732
FSC: 4820
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.469 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height0.469 INCHES NOMINAL IN
style_designatorPLAIN THREADED
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size1.213 INCHES SINGLE THREADED PORTION IN
body_inside_diameter0.641 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_quantity_per_inch24 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
NSN4820-00-036-1732
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NMP278PC51 · 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
•
STYLE DESIGNATOR: PLAIN THREADED
•
NOMINAL THREAD SIZE: 1.213 INCHES SINGLE THREADED PORTION IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
THREAD LENGTH: 0.469 INCHES NOMINAL SINGLE THREADED PORTION IN
•
SEATING SURFACE SHAPE: ANGULAR
•
MATERIAL: NICKEL ALLOY OVERALL
•
BODY INSIDE DIAMETER: 0.641 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 24 SINGLE THREADED PORTION
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPLAIN THREADED
NOMINAL THREAD SIZE1.213 INCHES SINGLE THREADED PORTION IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD LENGTH0.469 INCHES NOMINAL SINGLE THREADED PORTION IN
SEATING SURFACE SHAPEANGULAR
MATERIALNICKEL ALLOY OVERALL
BODY INSIDE DIAMETER0.641 INCHES NOMINAL IN
THREAD QUANTITY PER INCH24 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
OVERALL HEIGHT0.469 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
108629Interchangeable
interchangeable cross-reference
interchangeable
P797Interchangeable
interchangeable cross-reference
interchangeable
72025SInterchangeable
interchangeable cross-reference
interchangeable
5152Interchangeable
interchangeable cross-reference
interchangeable
4SC1068Interchangeable
interchangeable cross-reference
interchangeable
515-0227Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NMP278PC51?
NMP278PC51 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace NMP278PC51?
There are 18 known substitutes for NMP278PC51: 108629, P797, 72025S and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NMP278PC51?
NMP278PC51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1732. 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