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501974HS — VALVE,RESTRICTOR CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

501974HS: VALVE,RESTRICTOR CHECK.

The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. Key specifications include material: STEEL BODY, special_features: VALVE DISCHARGE FLOW RATE: 8.5 GALLONS PER MINUTE, flow_control_device: DISK, valve_operation_method: AUTOMATIC, end_item_identification: GENERALSPT, media_for_which_designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-273-5709, 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
501974HS
NSN: 4820-01-273-5709
NIINs: 012735709, 012744800
FSC: 4820 — Valves, Nonpowered
CAGE: 44674 — THE OILGEAR COMPANY DBA JIFFY LUBE 213 DIV OILGEAR (USA)
SPECIFICATIONS
materialSTEEL BODY
special_featuresVALVE DISCHARGE FLOW RATE: 8.5 GALLONS PER MINUTE
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
end_item_identificationGENERALSPT
media_for_which_designedHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
NSN4820-01-273-5709
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 501974HS · 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
•
FLOW CONTROL DEVICE: DISK
•
CONNECTION TYPE: THREADED CARTRIDGE ALL ENDS
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
•
MATERIAL: STEEL BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION TYPETHREADED CARTRIDGE ALL ENDS
SPECIAL FEATURESVALVE DISCHARGE FLOW RATE: 8.5 GALLONS PER MINUTE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
END ITEM IDENTIFICATIONGENERALSPT
MATERIALSTEEL BODY
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 2
501974HS ITEM 5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5122709-005-121Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 501974HS?
501974HS is a VALVE,RESTRICTOR CHECK.
What parts can replace 501974HS?
There are 2 known substitutes for 501974HS: 501974HS ITEM 5, 5122709-005-121. Substitute compatibility should be verified for your specific system.
What is the NSN for 501974HS?
501974HS is cataloged in the U.S. Government catalog under NSN 4820-01-273-5709. 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.