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Technical Data Sheet
PartsTable / COMPONENT / 21323L1
21323L1 ✓ 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 LINER,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: DRTNL CONT VALVE, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-413-7563, 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
21323L1
NSN: 4820-01-413-7563
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identificationDRTNL CONT VALVE
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN4820-01-413-7563
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21323L1 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
END ITEM IDENTIFICATIONDRTNL CONT VALVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
21323Interchangeable
interchangeable cross-reference
interchangeable
R21323Interchangeable
interchangeable cross-reference
interchangeable
2132300-1Interchangeable
interchangeable cross-reference
interchangeable
MC1590GInterchangeable
interchangeable cross-reference
interchangeable
FA395Interchangeable
interchangeable cross-reference
interchangeable
26154Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21323L1?
21323L1 is a LINER,VALVE.
What parts can replace 21323L1?
There are 18 known substitutes for 21323L1: 21323, R21323, 2132300-1 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21323L1?
21323L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-413-7563. 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