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391 2383 055 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

391 2383 055: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_height: 0.826 INCHES NOMINAL IN, shank_diameter: 0.620 INCHES NOMINAL IN, flange_diameter: 0.620 INCHES NOMINAL IN, special_features: GROOVE 0.442 IN. DIA, 0.094 IN.

W IN, style_designator: POPPET. This part is cataloged in the U.S. Government catalog under NSN 4820-01-382-6661, 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
391 2383 055
NSN: 4820-01-382-6661
FSC: 4820 — Valves, Nonpowered
CAGE: 13829 — PARKER HANNIFIN CORPORATION DIV CYLINDER DIVISION (USA)
SPECIFICATIONS
materialSTEEL
overall_height0.826 INCHES NOMINAL IN
shank_diameter0.620 INCHES NOMINAL IN
flange_diameter0.620 INCHES NOMINAL IN
special_featuresGROOVE 0.442 IN. DIA, 0.094 IN. W IN
style_designatorPOPPET
end_item_identification3930-01-307-3658
flange_seat_to_disk_end_height0.186 INCHES NOMINAL IN
NSN4820-01-382-6661
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 391 2383 055 · 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
•
SHANK DIAMETER: 0.620 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.186 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.620 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.620 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.186 INCHES NOMINAL IN
FLANGE DIAMETER0.620 INCHES NOMINAL IN
OVERALL HEIGHT0.826 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
SPECIAL FEATURESGROOVE 0.442 IN. DIA, 0.094 IN. W IN
END ITEM IDENTIFICATION3930-01-307-3658
MATERIALSTEEL
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 391 2383 055?
391 2383 055 is a DISK,VALVE.
What is the NSN for 391 2383 055?
391 2383 055 is cataloged in the U.S. Government catalog under NSN 4820-01-382-6661. 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.