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Technical Data Sheet
PartsTable / COMPONENT / 30803021 ITEM 15
30803021 ITEM 15 ✓ 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,REGULATING,FLUID PRESSURE. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-509-5961, 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
30803021 ITEM 15
NSN: 4820-01-509-5961
FSC: 4820
CAGE: 03847 — WARREN CONTROLS, INC. (USA)
SPECIFICATIONS
Part Number30803021 ITEM 15
NSN4820-01-509-5961
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 30803021 ITEM 15 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
30803996 CDS 80100955Interchangeable
interchangeable cross-reference
interchangeable
30803021Interchangeable
interchangeable cross-reference
interchangeable
30803996Interchangeable
interchangeable cross-reference
interchangeable
18005730Interchangeable
interchangeable cross-reference
interchangeable
30803021 ITEM 8Interchangeable
interchangeable cross-reference
interchangeable
17610730Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30803021 ITEM 15?
30803021 ITEM 15 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 30803021 ITEM 15?
There are 8 known substitutes for 30803021 ITEM 15: 30803996 CDS 80100955, 30803021, 30803996 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30803021 ITEM 15?
30803021 ITEM 15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-509-5961. 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