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Technical Data Sheet
PartsTable / COMPONENT / 20287PC9
20287PC9 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The RING,VALVE,ADJUSTING is a the manufacturer industrial component. Key specifications include end_item_identification: KUNKLE VALVE CO. INC TYPE 1251 RELIEF VALVE.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-600-7949, 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
20287PC9
NSN: 4820-00-600-7949
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
end_item_identificationKUNKLE VALVE CO. INC TYPE 1251 RELIEF VALVE
general_characteristics_item_descriptionBRONZE,ASTM B61,ONE END 1.234 IN. DIA 5/16 IN. DEEP,INTERNAL THD 1-1/8-18 THRU BORE,O/A DIM. 1.359 IN. DIA BY 1/2 IN. LG IN
NSN4820-00-600-7949
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20287PC9 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRONZE,ASTM B61,ONE END 1.234 IN. DIA 5/16 IN. DEEP,INTERNAL THD 1-1/8-18 THRU BORE,O/A DIM. 1.359 IN. DIA BY 1/2 IN. LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRONZE,ASTM B61,ONE END 1.234 IN. DIA 5/16 IN. DEEP,INTERNAL THD 1-1/8-18 THRU BORE,O/A DIM. 1.359 IN. DIA BY 1/2 IN. LG IN
END ITEM IDENTIFICATIONKUNKLE VALVE CO. INC TYPE 1251 RELIEF VALVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
0051120-005Interchangeable
interchangeable cross-reference
interchangeable
829-005Interchangeable
interchangeable cross-reference
interchangeable
01025007Interchangeable
interchangeable cross-reference
interchangeable
5331PL1337779Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-213Interchangeable
interchangeable cross-reference
interchangeable
122-2422386 PIECE 397Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20287PC9?
20287PC9 is a RING,VALVE,ADJUSTING.
What parts can replace 20287PC9?
There are 24 known substitutes for 20287PC9: 0051120-005, 829-005, 01025007 and 21 more. Substitute compatibility should be verified for your specific system.
Is 20287PC9 still available?
20287PC9 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026