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B50678 — SLEEVE AND SLIDE,DIRECTIONAL CON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B50678: SLEEVE AND SLIDE,DIRECTIONAL CON.

SLEEVE AND SLIDE,DIRECTIONAL CON. Key specifications include special_features: MATCHED SET; USED ON VALVE P/N D50661-3, end_item_identification: AIRCRAFT HYDRAULIC SYSTEMS. This part is cataloged in the U.S.

Government catalog under NSN 4810-00-604-7527, 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
B50678
NSN: 4810-00-604-7527
FSC: 4810 — Valves, Powered
CAGE: 4N727 — INTEGRAL AEROSPACE, LLC DBA PCX AEROSYSTEMS - SANTA ANA DIV INTEGRAL AEROSPACE, LLC DBA PCX AEROSYSTEMS - SANTA ANA (USA)
SPECIFICATIONS
special_featuresMATCHED SET; USED ON VALVE P/N D50661-3
end_item_identificationAIRCRAFT HYDRAULIC SYSTEMS
NSN4810-00-604-7527
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B50678 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATCHED SET; USED ON VALVE P/N D50661-3
END ITEM IDENTIFICATIONAIRCRAFT HYDRAULIC SYSTEMS
SUBSTITUTES & CROSS-REFERENCES 1
50678Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B50678?
B50678 is a SLEEVE AND SLIDE,DIRECTIONAL CON.
What parts can replace B50678?
There is 1 known substitute for B50678: 50678. Substitute compatibility should be verified for your specific system.
What is the NSN for B50678?
B50678 is cataloged in the U.S. Government catalog under NSN 4810-00-604-7527. 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.