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PartsTable / COMPONENT / 21327-850-1
21327-850-1 ✓ 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: PER MIL-S-6709., valve_design_control_activity: 78062, valve_model_number_for_which_designed: 21354-001. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-415-2592, 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
21327-850-1
NSN: 4820-01-415-2592
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
slide_materialSTEEL
sleeve_materialSTEEL
special_featuresPER MIL-S-6709.
valve_design_control_activity78062
valve_model_number_for_which_designed21354-001
NSN4820-01-415-2592
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21327-850-1 · 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: 21354-001
•
VALVE DESIGN CONTROL ACTIVITY: 78062
•
SLIDE MATERIAL: STEEL
•
SLEEVE MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESPER MIL-S-6709.
VALVE MODEL NUMBER FOR WHICH DESIGNED21354-001
VALVE DESIGN CONTROL ACTIVITY78062
SLIDE MATERIALSTEEL
SLEEVE MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
506 1.0625Interchangeable
interchangeable cross-reference
interchangeable
37814Interchangeable
interchangeable cross-reference
interchangeable
21354Interchangeable
interchangeable cross-reference
interchangeable
SK70-2293Interchangeable
interchangeable cross-reference
interchangeable
70-2293Interchangeable
interchangeable cross-reference
interchangeable
5867702293Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21327-850-1?
21327-850-1 is a SLEEVE AND SLIDE,DIRECTIONAL CON.
What parts can replace 21327-850-1?
There are 16 known substitutes for 21327-850-1: 506 1.0625, 37814, 21354 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21327-850-1?
21327-850-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-415-2592. 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