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PartsTable / COMPONENT / 33311-3 PIECE 24 L1
33311-3 PIECE 24 L1 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include special_features: 1 1/2 IN. VALVE IN, criticality_code_justification: ZZZY.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-226-0304, 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
33311-3 PIECE 24 L1
NSN: 4820-01-226-0304
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
special_features1 1/2 IN. VALVE IN
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-01-226-0304
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 33311-3 PIECE 24 L1 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
SPECIAL FEATURES1 1/2 IN. VALVE IN
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
3BV-A2001Interchangeable
interchangeable cross-reference
interchangeable
33311-3PC24(1/2IN)Interchangeable
interchangeable cross-reference
interchangeable
33310-3 PIECE 24Interchangeable
interchangeable cross-reference
interchangeable
33311-3 PIECE 24Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33311-3 PIECE 24 L1?
33311-3 PIECE 24 L1 is a STEM,FLUID VALVE.
What parts can replace 33311-3 PIECE 24 L1?
There are 4 known substitutes for 33311-3 PIECE 24 L1: 3BV-A2001, 33311-3PC24(1/2IN), 33310-3 PIECE 24 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 33311-3 PIECE 24 L1?
33311-3 PIECE 24 L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-226-0304. 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