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1111-548030 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1111-548030: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, mounting_facility: THREADED FASTENER, mounting_position: VERTICAL, surface_treatment: ANODIZE, operating_pressure: 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-202-5687, 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
1111-548030
NSN: 4820-00-202-5687
FSC: 4820 — Valves, Nonpowered
CAGE: 92003 — PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
mounting_facilityTHREADED FASTENER
mounting_positionVERTICAL
surface_treatmentANODIZE
operating_pressure75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NSN4820-00-202-5687
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1111-548030 · 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
•
MOUNTING POSITION: VERTICAL
•
OPERATING PRESSURE: 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
DISK LOADING METHOD: SPRING
•
MOUNTING FACILITY: THREADED FASTENER
•
SURFACE TREATMENT: ANODIZE
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
MATERIAL: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
MOUNTING POSITIONVERTICAL
OPERATING PRESSURE75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
DISK LOADING METHODSPRING
MOUNTING FACILITYTHREADED FASTENER
SURFACE TREATMENTANODIZE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALRUBBER SEAT
MATERIALALUMINUM ALLOY BODY
SUBSTITUTES & CROSS-REFERENCES 2
302800Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-954-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1111-548030?
1111-548030 is a VALVE,CHECK.
What parts can replace 1111-548030?
There are 2 known substitutes for 1111-548030: 302800, 2-954-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1111-548030?
1111-548030 is cataloged in the U.S. Government catalog under NSN 4820-00-202-5687. 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.