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PartsTable / COMPONENT / 200103AAPPC148
200103AAPPC148 ✓ 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, overall_height: 0.645 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 37.000 NOMINAL, body_inside_diameter: 0.948 INCHES NOMINAL IN, body_outside_diameter: 2.750 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 4820-00-789-1825, 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
200103AAPPC148
NSN: 4820-00-789-1825
FSC: 4820
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.645 INCHES NOMINAL IN
special_featuresW/FOUR BOLT HOLES 0.255 IN. DIA EQUALLY SPACED ON 2.125 IN. DIA BOLT CIRCLE COUNTERSUNK ONE SIDE 0.474 IN. DIA 0.340 IN. D IN
style_designatorPLAIN
seat_angle_in_deg37.000 NOMINAL
body_inside_diameter0.948 INCHES NOMINAL IN
body_outside_diameter2.750 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN4820-00-789-1825
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 200103AAPPC148 · 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
•
SEATING SURFACE SHAPE: ANGULAR
•
BODY OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 0.948 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 37.000 NOMINAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESW/FOUR BOLT HOLES 0.255 IN. DIA EQUALLY SPACED ON 2.125 IN. DIA BOLT CIRCLE COUNTERSUNK ONE SIDE 0.474 IN. DIA 0.340 IN. D IN
SEATING SURFACE SHAPEANGULAR
BODY OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
OVERALL HEIGHT0.645 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.948 INCHES NOMINAL IN
SEAT ANGLE IN DEG37.000 NOMINAL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5463Interchangeable
interchangeable cross-reference
interchangeable
5463-BInterchangeable
interchangeable cross-reference
interchangeable
AS4283Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 200103AAPPC148?
200103AAPPC148 is a SEAT,VALVE.
What parts can replace 200103AAPPC148?
There are 3 known substitutes for 200103AAPPC148: 5463, 5463-B, AS4283. Substitute compatibility should be verified for your specific system.
What is the NSN for 200103AAPPC148?
200103AAPPC148 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-789-1825. 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