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AV18A1128 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AV18A1128: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY BODY, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL OR VERTICAL, flow_control_device: DISK, maximum_operating_temp: 1060.0 FAHRENHEIT SINGLE RESPONSE DEGF, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-115-7312, 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
AV18A1128
NSN: 4820-01-115-7312
FSC: 4820 — Valves, Nonpowered
CAGE: 05624 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY BODY
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL OR VERTICAL
flow_control_deviceDISK
maximum_operating_temp1060.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedAIR SINGLE RESPONSE
NSN4820-01-115-7312
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AV18A1128 · 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: HORIZONTAL OR VERTICAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MAXIMUM OPERATING TEMP: 1060.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
•
MATERIAL: NICKEL ALLOY BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
MOUNTING POSITIONHORIZONTAL OR VERTICAL
STYLE DESIGNATORSTRAIGHT THRU
MAXIMUM OPERATING TEMP1060.0 FAHRENHEIT SINGLE RESPONSE DEGF
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MATERIALNICKEL ALLOY BODY
VALVE OPERATION METHODAUTOMATIC
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is AV18A1128?
AV18A1128 is a VALVE,CHECK.
What is the NSN for AV18A1128?
AV18A1128 is cataloged in the U.S. Government catalog under NSN 4820-01-115-7312. 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.