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21812-850-1 — SLEEVE AND SLIDE,DIRECTIONAL CON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21812-850-1: SLEEVE AND SLIDE,DIRECTIONAL CON.

SLEEVE AND SLIDE,DIRECTIONAL CON. Key specifications include sleeve_material: STEEL, special_features: MIL-S-6709, end_item_identification: VALVE HYDRAULIC. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-472-9170, 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
21812-850-1
NSN: 4810-01-472-9170
FSC: 4810 — Valves, Powered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
sleeve_materialSTEEL
special_featuresMIL-S-6709
end_item_identificationVALVE HYDRAULIC
NSN4810-01-472-9170
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21812-850-1 · 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
•
SLEEVE MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMIL-S-6709
SLEEVE MATERIALSTEEL
END ITEM IDENTIFICATIONVALVE HYDRAULIC
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES 1
21812 FIND 4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 21812-850-1?
21812-850-1 is a SLEEVE AND SLIDE,DIRECTIONAL CON.
What parts can replace 21812-850-1?
There is 1 known substitute for 21812-850-1: 21812 FIND 4. Substitute compatibility should be verified for your specific system.
What is the NSN for 21812-850-1?
21812-850-1 is cataloged in the U.S. Government catalog under NSN 4810-01-472-9170. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.