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640056 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

640056: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC, overall_height: 0.070 INCHES NOMINAL IN, outside_diameter: 0.068 INCHES NOMINAL IN, style_designator: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-004-9090, 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
640056
NSN: 4810-01-004-9090
FSC: 4810 — Valves, Powered
CAGE: 09790 — EATON AEROSPACE LLC DBA STERER ENGINEERING DIV VALVE & ACTUATOR (USA)
SPECIFICATIONS
materialPLASTIC
overall_height0.070 INCHES NOMINAL IN
outside_diameter0.068 INCHES NOMINAL IN
style_designatorSOLID
NSN4810-01-004-9090
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 640056 · 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
•
OUTSIDE DIAMETER: 0.068 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.070 INCHES NOMINAL IN
OUTSIDE DIAMETER0.068 INCHES NOMINAL IN
STYLE DESIGNATORSOLID
MATERIALPLASTIC
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES 1
72270PC16Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 640056?
640056 is a DISK,VALVE.
What parts can replace 640056?
There is 1 known substitute for 640056: 72270PC16. Substitute compatibility should be verified for your specific system.
What is the NSN for 640056?
640056 is cataloged in the U.S. Government catalog under NSN 4810-01-004-9090. 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.