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152B20 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

152B20: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include style_designator: FLAT, end_item_identification: WATTS REGULATOR CO,0.750 IN. REGULATING VALVE,MODEL 252A A, media_for_which_designed: STEAM.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-400-3172, 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
152B20
NSN: 4820-01-400-3172
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
style_designatorFLAT
end_item_identificationWATTS REGULATOR CO,0.750 IN. REGULATING VALVE,MODEL 252A A
media_for_which_designedSTEAM
NSN4820-01-400-3172
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 152B20 · 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
•
STYLE DESIGNATOR: FLAT
•
MEDIA FOR WHICH DESIGNED: STEAM
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT
MEDIA FOR WHICH DESIGNEDSTEAM
END ITEM IDENTIFICATIONWATTS REGULATOR CO,0.750 IN. REGULATING VALVE,MODEL 252A A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 152B20?
152B20 is a DIAPHRAGM,VALVE,FLAT.
What is the NSN for 152B20?
152B20 is cataloged in the U.S. Government catalog under NSN 4820-01-400-3172. 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.