PartsTable
Technical Data Sheet

RK 009 RT 1/2 — PARTS KIT,SAFETY RELIEF VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

RK 009 RT 1/2: PARTS KIT,SAFETY RELIEF VALVE.

The PARTS KIT,SAFETY RELIEF VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: SPRUANCE CLASS DD (963), supply_items_and_quantities: DIAPHRAGM 1; DISC 2; DISC ASSEMBLY 2; COVER O-RING 1; SEAT O-RING 2; RV O-RING 1. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-445-2371, 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
RK 009 RT 1/2
NSN: 4820-01-445-2371
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
end_item_identificationSPRUANCE CLASS DD (963)
supply_items_and_quantitiesDIAPHRAGM 1; DISC 2; DISC ASSEMBLY 2; COVER O-RING 1; SEAT O-RING 2; RV O-RING 1
NSN4820-01-445-2371
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: RK 009 RT 1/2 · 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
•
SUPPLY ITEMS AND QUANTITIES: DIAPHRAGM 1; DISC 2; DISC ASSEMBLY 2; COVER O-RING 1; SEAT O-RING 2; RV O-RING 1
TECHNICAL CHARACTERISTICS
SUPPLY ITEMS AND QUANTITIESDIAPHRAGM 1; DISC 2; DISC ASSEMBLY 2; COVER O-RING 1; SEAT O-RING 2; RV O-RING 1
END ITEM IDENTIFICATIONSPRUANCE CLASS DD (963)
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RK 009 RT 1/2?
RK 009 RT 1/2 is a PARTS KIT,SAFETY RELIEF VALVE.
What is the NSN for RK 009 RT 1/2?
RK 009 RT 1/2 is cataloged in the U.S. Government catalog under NSN 4820-01-445-2371. 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.