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PartsTable / COMPONENT / 21314-850
21314-850 ✓ 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

SLEEVE AND SLIDE,DIRECTIONAL CON. Key specifications include slide_material: STEEL, sleeve_material: STEEL, special_features: NITRIDING STEEL PER MIL-S-6709, end_item_identification: WEAPONS SYSTEM JG, SEAWOLF CLASS SSN, valve_design_control_activity: 78062, valve_model_number_for_which_designed: 21314-001 SPECIAL SIZE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-419-0578, 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
21314-850
NSN: 4820-01-419-0578
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
slide_materialSTEEL
sleeve_materialSTEEL
special_featuresNITRIDING STEEL PER MIL-S-6709
end_item_identificationWEAPONS SYSTEM JG, SEAWOLF CLASS SSN
valve_design_control_activity78062
valve_model_number_for_which_designed21314-001 SPECIAL SIZE
NSN4820-01-419-0578
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21314-850 · 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
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 21314-001 SPECIAL SIZE
•
VALVE DESIGN CONTROL ACTIVITY: 78062
•
SLEEVE MATERIAL: STEEL
•
SLIDE MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESNITRIDING STEEL PER MIL-S-6709
VALVE MODEL NUMBER FOR WHICH DESIGNED21314-001 SPECIAL SIZE
VALVE DESIGN CONTROL ACTIVITY78062
SLEEVE MATERIALSTEEL
SLIDE MATERIALSTEEL
END ITEM IDENTIFICATIONWEAPONS SYSTEM JG, SEAWOLF CLASS SSN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
021314Interchangeable
interchangeable cross-reference
interchangeable
21314Interchangeable
interchangeable cross-reference
interchangeable
85986W1ITEM2Interchangeable
interchangeable cross-reference
interchangeable
PUB5487ITEM21Interchangeable
interchangeable cross-reference
interchangeable
87070W1ITEM2Interchangeable
interchangeable cross-reference
interchangeable
AND10134-1006Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21314-850?
21314-850 is a SLEEVE AND SLIDE,DIRECTIONAL CON.
What parts can replace 21314-850?
There are 16 known substitutes for 21314-850: 021314, 21314, 85986W1ITEM2 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21314-850?
21314-850 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-419-0578. 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