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SA-6Y20 — DIAPHRAGM ASSEMBLY,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SA-6Y20: DIAPHRAGM ASSEMBLY,VALVE.

The DIAPHRAGM ASSEMBLY,VALVE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-00-928-2286, 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
SA-6Y20
NSN: 4820-00-928-2286
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
general_characteristics_item_descriptionDIAPHRAGM PLATE P/N 112Y60 FSCM 79227,DIAPHRAGM PLATE RETAINER P/N 6Y62 FSCM 79227,DIAPHRAGM P/N 6Y20 FSCM 79227,DIAPHRAGM BUTTON P/N 6Y50 FSCM 79227
NSN4820-00-928-2286
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SA-6Y20 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: DIAPHRAGM PLATE P/N 112Y60 FSCM 79227,DIAPHRAGM PLATE RETAINER P/N 6Y62 FSCM 79227,DIAPHRAGM P/N 6Y20 FSCM 79227,DIAPHRAGM BUTTON P/N 6Y50 FSCM 79227
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONDIAPHRAGM PLATE P/N 112Y60 FSCM 79227,DIAPHRAGM PLATE RETAINER P/N 6Y62 FSCM 79227,DIAPHRAGM P/N 6Y20 FSCM 79227,DIAPHRAGM BUTTON P/N 6Y50 FSCM 79227
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SA-6Y20?
SA-6Y20 is a DIAPHRAGM ASSEMBLY,VALVE.
What is the NSN for SA-6Y20?
SA-6Y20 is cataloged in the U.S. Government catalog under NSN 4820-00-928-2286. 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.