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PartsTable / COMPONENT / 4820PL1290021
4820PL1290021 ✓ 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

VALVE,CONTROL,AUTOMATIC SPRINKLE. Key specifications include material: BRONZE BODY, special_features: MONEL, NICKEL ALLOY INTERNALS, 6.281 IN. LENGTH, 3.130 IN.

OVERALL WIDTH, 4.750 IN. HEIGHT IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-330-0889, 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
4820PL1290021
NSN: 4810-01-330-0889
FSC: 4810
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialBRONZE BODY
special_featuresMONEL, NICKEL ALLOY INTERNALS, 6.281 IN. LENGTH, 3.130 IN. OVERALL WIDTH, 4.750 IN. HEIGHT IN
NSN4810-01-330-0889
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4820PL1290021 · 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
•
MATERIAL: BRONZE BODY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALBRONZE BODY
SPECIAL FEATURESMONEL, NICKEL ALLOY INTERNALS, 6.281 IN. LENGTH, 3.130 IN. OVERALL WIDTH, 4.750 IN. HEIGHT IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
49304Interchangeable
interchangeable cross-reference
interchangeable
1 1/2" 100M-1KRInterchangeable
interchangeable cross-reference
interchangeable
20260601K 100M-1KRInterchangeable
interchangeable cross-reference
interchangeable
49304 ASSY 49304-01HInterchangeable
interchangeable cross-reference
interchangeable
49304-01H-100M-1KRInterchangeable
interchangeable cross-reference
interchangeable
94662-01CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4820PL1290021?
4820PL1290021 is a VALVE,CONTROL,AUTOMATIC SPRINKLE.
What parts can replace 4820PL1290021?
There are 11 known substitutes for 4820PL1290021: 49304, 1 1/2" 100M-1KR, 20260601K 100M-1KR and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4820PL1290021?
4820PL1290021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-330-0889. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026