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21720NPC26 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21720NPC26: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, seat_angle: 45.0 DEGREES NOMINAL, overall_height: 0.950 INCHES NOMINAL IN, shank_diameter: 1.497 INCHES NOMINAL IN, flange_diameter: 2.063 INCHES NOMINAL IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-076-0262, 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
21720NPC26
NSN: 4820-01-076-0262
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL
seat_angle45.0 DEGREES NOMINAL
overall_height0.950 INCHES NOMINAL IN
shank_diameter1.497 INCHES NOMINAL IN
flange_diameter2.063 INCHES NOMINAL IN
style_designatorPOPPET
flange_seat_to_disk_end_height0.520 INCHES NOMINAL IN
NSN4820-01-076-0262
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21720NPC26 · 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
•
SHANK DIAMETER: 1.497 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.520 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.063 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER1.497 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.520 INCHES NOMINAL IN
FLANGE DIAMETER2.063 INCHES NOMINAL IN
OVERALL HEIGHT0.950 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
SEAT ANGLE45.0 DEGREES NOMINAL
MATERIALSTEEL
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
37371-00-58Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21720NPC26?
21720NPC26 is a DISK,VALVE.
What parts can replace 21720NPC26?
There is 1 known substitute for 21720NPC26: 37371-00-58. Substitute compatibility should be verified for your specific system.
What is the NSN for 21720NPC26?
21720NPC26 is cataloged in the U.S. Government catalog under NSN 4820-01-076-0262. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.