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Technical Data Sheet
PartsTable / COMPONENT / 843937PC2
843937PC2 ✓ 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: STEEL OVERALL, thread_length: 0.281 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.406 INCHES NOMINAL IN, style_designator: PLAIN THREADED, seat_angle_in_deg: 45.000 NOMINAL, surface_treatment: OXIDE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-004-2918, 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
843937PC2
NSN: 4820-01-004-2918
FSC: 4820
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_length0.281 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height0.406 INCHES NOMINAL IN
style_designatorPLAIN THREADED
seat_angle_in_deg45.000 NOMINAL
surface_treatmentOXIDE OVERALL
nominal_thread_size0.250 INCHES SINGLE THREADED PORTION IN
body_inside_diameter0.188 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_series_designatorNPT SINGLE THREADED PORTION
NSN4820-01-004-2918
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 843937PC2 · 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 INSIDE DIAMETER: 0.188 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: NPT SINGLE THREADED PORTION
•
SURFACE TREATMENT: OXIDE OVERALL
•
STYLE DESIGNATOR: PLAIN THREADED
•
NOMINAL THREAD SIZE: 0.250 INCHES SINGLE THREADED PORTION IN
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.188 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORNPT SINGLE THREADED PORTION
SURFACE TREATMENTOXIDE OVERALL
STYLE DESIGNATORPLAIN THREADED
NOMINAL THREAD SIZE0.250 INCHES SINGLE THREADED PORTION IN
SEATING SURFACE SHAPEANGULAR
OVERALL HEIGHT0.406 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.000 NOMINAL
THREAD LENGTH0.281 INCHES NOMINAL SINGLE THREADED PORTION IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
SC-5256Interchangeable
interchangeable cross-reference
interchangeable
84382Interchangeable
interchangeable cross-reference
interchangeable
84382-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 843937PC2?
843937PC2 is a SEAT,VALVE.
What parts can replace 843937PC2?
There are 3 known substitutes for 843937PC2: SC-5256, 84382, 84382-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 843937PC2?
843937PC2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-004-2918. 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