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003393001 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

003393001: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include end_item_identification: 2320-01-437-6957 ASV. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-390-4898, 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
003393001
NSN: 4820-01-390-4898
NIINs: 013904898, 015775058
FSC: 4820 — Valves, Nonpowered
CAGE: 53477 — SCOVILL INC SCHRADER BELLOWS DIV (USA)
SPECIFICATIONS
end_item_identification2320-01-437-6957 ASV
NSN4820-01-390-4898
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 003393001 · 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
•
VALVE SIZE: 0.250 INCHES IN
•
FACE TO FACE DISTANCE: 1.344 INCHES IN
TECHNICAL CHARACTERISTICS
VALVE SIZE0.250 INCHES IN
SPECIAL FEATURESFLOW CAPACITY 75 SCFM
FACE TO FACE DISTANCE1.344 INCHES IN
END ITEM IDENTIFICATIONPNEUMATIC PLATFORM, 6826 NSN 4940-21-910-0481, SKYJACK INC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 003393001?
003393001 is a VALVE,CHECK.
What is the NSN for 003393001?
003393001 is cataloged in the U.S. Government catalog under NSN 4820-01-390-4898. 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.