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31223872 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

31223872: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include filter: NOT INCLUDED, material: COBALT ALLOY FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, temp_rating: 750.0 FAHRENHEIT NOMINAL DEGF, regulation_type: MANUAL SINGLE STAGE, valve_stem_design: SINGLE SEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-229-7511, 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
31223872
NSN: 4820-01-229-7511
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialCOBALT ALLOY FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
temp_rating750.0 FAHRENHEIT NOMINAL DEGF
regulation_typeMANUAL SINGLE STAGE
valve_stem_designSINGLE SEAT
valve_loading_methodDOME
face_to_face_distance8.500 INCHES NOMINAL IN
outlet_pressure_range25.0 TO 550.0 CAMERA MOUNT
end_connection_quantity2
media_for_which_designedSTEAM
renewable_seat_ring_typeTHREADED
NSN4820-01-229-7511
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31223872 · 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
SUBSTITUTES & CROSS-REFERENCES 3
N-501Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
N-501 PIECE 6Reference document
Same NSN cross-reference
Reference document — Secondary reference
12238-72Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 31223872?
31223872 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 31223872?
There are 3 known substitutes for 31223872: N-501, N-501 PIECE 6, 12238-72. Substitute compatibility should be verified for your specific system.
What is the NSN for 31223872?
31223872 is cataloged in the U.S. Government catalog under NSN 4820-01-229-7511. 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.