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R978850562 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

R978850562: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include special_features: MFR DESCRIBES AS VALVE, DIRECTIONAL CONTROL, valve_operation_method: MANUAL, end_item_identification: SPECIAL ACFT AND ENG TOOLS, SUPPORT EQUIP AND PARTS, furnished_items_and_quantity: 1 LEVER. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-379-0574, 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
R978850562
NSN: 4820-01-379-0574
FSC: 4820 — Valves, Nonpowered
CAGE: 27005 — BOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS (USA)
SPECIFICATIONS
spool_quantity1
special_featuresMFR DESCRIBES AS VALVE, DIRECTIONAL CONTROL
valve_operation_methodMANUAL
end_item_identificationSPECIAL ACFT AND ENG TOOLS, SUPPORT EQUIP AND PARTS
furnished_items_and_quantity1 LEVER
NSN4820-01-379-0574
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R978850562 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 LEVER
•
SPOOL QUANTITY: 1
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 LEVER
SPOOL QUANTITY1
SPECIAL FEATURESMFR DESCRIBES AS VALVE, DIRECTIONAL CONTROL
END ITEM IDENTIFICATIONSPECIAL ACFT AND ENG TOOLS, SUPPORT EQUIP AND PARTS
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 2
1378AS138-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
850562Reference 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 R978850562?
R978850562 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace R978850562?
There are 2 known substitutes for R978850562: 1378AS138-1, 850562. Substitute compatibility should be verified for your specific system.
What is the NSN for R978850562?
R978850562 is cataloged in the U.S. Government catalog under NSN 4820-01-379-0574. 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.