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PartsTable / COMPONENT / SS845-1889573 PC3A1-2IN
SS845-1889573 PC3A1-2IN ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, seat_angle: 0.062 DEGREES NOMINAL, thread_class: 3A A, overall_height: 0.906 INCHES NOMINAL IN, shoulder_width: 0.125 INCHES NOMINAL IN, shoulder_height: 0.125 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 4820-01-153-8458, 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
SS845-1889573 PC3A1-2IN
NSN: 4820-01-153-8458
FSC: 4820
CAGE: 98518 — WALWORTH-ALOYCO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle0.062 DEGREES NOMINAL
thread_class3A A
overall_height0.906 INCHES NOMINAL IN
shoulder_width0.125 INCHES NOMINAL IN
shoulder_height0.125 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size0.625 INCHES IN
thread_series_designatorUNF
NSN4820-01-153-8458
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS845-1889573 PC3A1-2IN · 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
•
SHOULDER HEIGHT: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
THREAD SERIES DESIGNATOR: UNF
•
SEAT ANGLE: 0.062 DEGREES NOMINAL
•
SHOULDER WIDTH: 0.125 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER HEIGHT0.125 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
THREAD SERIES DESIGNATORUNF
SEAT ANGLE0.062 DEGREES NOMINAL
SHOULDER WIDTH0.125 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.625 INCHES IN
OVERALL HEIGHT0.906 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
THREAD CLASS3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
HP3-EXBHB90Interchangeable
interchangeable cross-reference
interchangeable
NEMA-HP3Interchangeable
interchangeable cross-reference
interchangeable
MIL-W-16878/4Interchangeable
interchangeable cross-reference
interchangeable
23400Interchangeable
interchangeable cross-reference
interchangeable
LS3469Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS845-1889573 PC3A1-2IN?
SS845-1889573 PC3A1-2IN is a DISK,VALVE.
What parts can replace SS845-1889573 PC3A1-2IN?
There are 21 known substitutes for SS845-1889573 PC3A1-2IN: HP3-EXBHB90, NEMA-HP3, MIL-W-16878/4 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SS845-1889573 PC3A1-2IN?
SS845-1889573 PC3A1-2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-153-8458. 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