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821856 — SLEEVE,DIRECTIONAL CONTROL LINEA

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

821856: SLEEVE,DIRECTIONAL CONTROL LINEA.

SLEEVE,DIRECTIONAL CONTROL LINEA. Key specifications include overall_width: 0.92 INCHES NOMINAL IN, overall_length: 2.46 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-758-7159, 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
821856
NSN: 4820-00-758-7159
NIINs: 007587159, 016066509
FSC: 4820 — Valves, Nonpowered
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
overall_width0.92 INCHES NOMINAL IN
overall_length2.46 INCHES NOMINAL IN
NSN4820-00-758-7159
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 821856 · 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
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
OVERALL LENGTH0.625 INCHES MAXIMUM IN
SPECIAL FEATURESANODIZED;0.430 IN.DIA;0.185 IN.ID;ONE END WITH GROOVE,0.140 IN.W IN
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 821856?
821856 is a SLEEVE,DIRECTIONAL CONTROL LINEA.
What is the NSN for 821856?
821856 is cataloged in the U.S. Government catalog under NSN 4820-00-758-7159. 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.