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7M640-56 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7M640-56: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, pressure_rating: 0.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, special_features: VALVE ELEMENT-SWING CHECK,FUEL, media_for_which_designed: FUEL, JET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-296-4852, 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
7M640-56
NSN: 4820-01-296-4852
FSC: 4820 — Valves, Nonpowered
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
pressure_rating0.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
special_featuresVALVE ELEMENT-SWING CHECK,FUEL
media_for_which_designedFUEL, JET
NSN4820-01-296-4852
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7M640-56 · 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: 0.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
MEDIA FOR WHICH DESIGNED: FUEL, JET
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
PRESSURE RATING0.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
SPECIAL FEATURESVALVE ELEMENT-SWING CHECK,FUEL
MEDIA FOR WHICH DESIGNEDFUEL, JET
MATERIALALUMINUM ALLOY
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 1
56C112-3-1Same 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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 7M640-56?
7M640-56 is a DISK,VALVE.
What parts can replace 7M640-56?
There is 1 known substitute for 7M640-56: 56C112-3-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M640-56?
7M640-56 is cataloged in the U.S. Government catalog under NSN 4820-01-296-4852. 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.