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1557396 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1557396: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include width: 2.750 INCHES NOMINAL IN, length: 8.750 INCHES NOMINAL IN, basic_shape_style: RECTANGULAR, marking_designation: LEGEND FIRST SIDE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-243-9588, 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
1557396
NSN: 4820-00-243-9588
NIINs: 002439588, 010931666
FSC: 4820 — Valves, Nonpowered
CAGE: 88078 — CASHCO INC (USA)
SPECIFICATIONS
width2.750 INCHES NOMINAL IN
length8.750 INCHES NOMINAL IN
basic_shape_styleRECTANGULAR
marking_designationLEGEND FIRST SIDE
NSN4820-00-243-9588
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1557396 · 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: 0.998 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.281 INCHES NOMINAL IN
OUTSIDE DIAMETER0.998 INCHES NOMINAL IN
MATERIALSTEEL
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 1557396?
1557396 is a DISK,VALVE.
What is the NSN for 1557396?
1557396 is cataloged in the U.S. Government catalog under NSN 4820-00-243-9588. 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.