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PartsTable / COMPONENT / 21720N PC N029A
21720N PC N029A ✓ 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 GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, bore_diameter: 1.1800 INCHES NOMINAL IN, overall_length: 0.875 INCHES NOMINAL IN, bore_counterbore: INCLUDED, bore_countersink: NOT INCLUDED, outside_diameter: 2.300 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 4820-01-114-5947, 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
21720N PC N029A
NSN: 4820-01-114-5947
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
bore_diameter1.1800 INCHES NOMINAL IN
overall_length0.875 INCHES NOMINAL IN
bore_counterboreINCLUDED
bore_countersinkNOT INCLUDED
outside_diameter2.300 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
counterbore_depth0.020 INCHES NOMINAL IN
counterbore_diameter1.750 INCHES NOMINAL IN
counterbore_locationAA END
bb_end_chamfer_length0.125 INCHES NOMINAL IN
bb_end_shank_diameter1.748 INCHES NOMINAL IN
NSN4820-01-114-5947
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21720N PC N029A · 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
•
MAJOR DIAMETER LENGTH: 0.188 INCHES NOMINAL IN
•
BB END CHAMFER ANGLE IN DEG: 60.0
•
BB END CHAMFER LENGTH: 0.125 INCHES NOMINAL IN
•
BORE COUNTERSINK: NOT INCLUDED
•
COUNTERBORE LOCATION: AA END
•
BORE COUNTERBORE: INCLUDED
•
BB END SHANK DIAMETER: 1.748 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
TECHNICAL CHARACTERISTICS (FLIS)
MAJOR DIAMETER LENGTH0.188 INCHES NOMINAL IN
BB END CHAMFER ANGLE IN DEG60.0
BB END CHAMFER LENGTH0.125 INCHES NOMINAL IN
BORE COUNTERSINKNOT INCLUDED
COUNTERBORE LOCATIONAA END
BORE COUNTERBOREINCLUDED
BB END SHANK DIAMETER1.748 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
MATERIALSTEEL CORROSION RESISTING
COUNTERBORE DEPTH0.020 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
3890Interchangeable
interchangeable cross-reference
interchangeable
475Interchangeable
interchangeable cross-reference
interchangeable
GE5674-3Interchangeable
interchangeable cross-reference
interchangeable
367-4-5Interchangeable
interchangeable cross-reference
interchangeable
21720N PC20 AND 21Interchangeable
interchangeable cross-reference
interchangeable
14401 AND 34307Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21720N PC N029A?
21720N PC N029A is a GUIDE,VALVE STEM.
What parts can replace 21720N PC N029A?
There are 29 known substitutes for 21720N PC N029A: 3890, 475, GE5674-3 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21720N PC N029A?
21720N PC N029A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-114-5947. 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