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A7089 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A7089: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, overall_height: 0.062 INCHES NOMINAL IN, inside_diameter: 2.000 INCHES NOMINAL IN, pressure_rating: 2000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 4.250 INCHES NOMINAL IN, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-542-2875, 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
A7089
NSN: 4820-00-542-2875
NIINs: 005422875, 010094401, 011722725
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
overall_height0.062 INCHES NOMINAL IN
inside_diameter2.000 INCHES NOMINAL IN
pressure_rating2000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter4.250 INCHES NOMINAL IN
style_designatorPLAIN
NSN4820-00-542-2875
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A7089 · 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
•
PRESSURE RATING: 400.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TEMP RATING: 150.0 FAHRENHEIT NOMINAL DEGF
•
OUTSIDE DIAMETER: 2.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
INSIDE DIAMETER: 1.062 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN
•
MEDIA FOR WHICH DESIGNED: AIR OR WATER
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
PRESSURE RATING400.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TEMP RATING150.0 FAHRENHEIT NOMINAL DEGF
OUTSIDE DIAMETER2.812 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
INSIDE DIAMETER1.062 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN
MEDIA FOR WHICH DESIGNEDAIR OR WATER
MATERIALPLASTIC
SUBSTITUTES & CROSS-REFERENCES 3
8544REVAPC18Reference document
Same NSN cross-reference
Reference document — Secondary reference
8544-18Reference document
Same NSN cross-reference
Reference document — Secondary reference
20230 FIND 6BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A7089?
A7089 is a DISK,VALVE.
What parts can replace A7089?
There are 3 known substitutes for A7089: 8544REVAPC18, 8544-18, 20230 FIND 6B. Substitute compatibility should be verified for your specific system.
What is the NSN for A7089?
A7089 is cataloged in the U.S. Government catalog under NSN 4820-00-542-2875. 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.