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Technical Data Sheet
PartsTable / COMPONENT / D15-494JPC659
D15-494JPC659 ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: STEEL OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.375 INCHES NOMINAL IN, special_features: W/SLOT 0.312 IN. W IN, style_designator: PLAIN THREADED.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-3389, 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
D15-494JPC659
NSN: 4820-00-036-3389
FSC: 4820
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height0.375 INCHES NOMINAL IN
special_featuresW/SLOT 0.312 IN. W IN
style_designatorPLAIN THREADED
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size0.562 INCHES SINGLE THREADED PORTION IN
body_inside_diameter0.188 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_series_designatorUNF SINGLE THREADED PORTION
material_document_and_classificationMIL-S-853 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-00-036-3389
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D15-494JPC659 · 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
•
NOMINAL THREAD SIZE: 0.562 INCHES SINGLE THREADED PORTION IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
THREAD LENGTH: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
•
THREAD SERIES DESIGNATOR: UNF SINGLE THREADED PORTION
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.375 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.188 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.562 INCHES SINGLE THREADED PORTION IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD LENGTH0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
SPECIAL FEATURESW/SLOT 0.312 IN. W IN
THREAD SERIES DESIGNATORUNF SINGLE THREADED PORTION
SEAT ANGLE IN DEG45.000 NOMINAL
STYLE DESIGNATORPLAIN THREADED
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
GS806CC1Interchangeable
interchangeable cross-reference
interchangeable
4040-1Interchangeable
interchangeable cross-reference
interchangeable
4501-203Interchangeable
interchangeable cross-reference
interchangeable
68B418000-203Interchangeable
interchangeable cross-reference
interchangeable
560511Interchangeable
interchangeable cross-reference
interchangeable
TE5695Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D15-494JPC659?
D15-494JPC659 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace D15-494JPC659?
There are 26 known substitutes for D15-494JPC659: GS806CC1, 4040-1, 4501-203 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D15-494JPC659?
D15-494JPC659 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-3389. 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