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21109-850 — SLEEVE AND SLIDE,DIRECTIONAL CON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21109-850: SLEEVE AND SLIDE,DIRECTIONAL CON.

SLEEVE AND SLIDE,DIRECTIONAL CON. Key specifications include end_item_identification: SEAWOLF CLASS SSN, valve_design_control_activity: 78062, valve_model_number_for_which_designed: 21109. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-421-6830, 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
21109-850
NSN: 4820-01-421-6830
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
end_item_identificationSEAWOLF CLASS SSN
valve_design_control_activity78062
valve_model_number_for_which_designed21109
NSN4820-01-421-6830
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21109-850 · 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: 21109
•
VALVE DESIGN CONTROL ACTIVITY: 78062
TECHNICAL CHARACTERISTICS
VALVE MODEL NUMBER FOR WHICH DESIGNED21109
VALVE DESIGN CONTROL ACTIVITY78062
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 3
21159- FIND 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
21109 FIND 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
21109-FIND NO-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21109-850?
21109-850 is a SLEEVE AND SLIDE,DIRECTIONAL CON.
What parts can replace 21109-850?
There are 3 known substitutes for 21109-850: 21159- FIND 3, 21109 FIND 6, 21109-FIND NO-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 21109-850?
21109-850 is cataloged in the U.S. Government catalog under NSN 4820-01-421-6830. This indicates validated use in U.S. government and defense supply chains.
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