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BYLB426 — COVER PLATE,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

BYLB426: COVER PLATE,VALVE.

The COVER PLATE,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM, overall_length: 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN, overall_diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, special_features: MARKED WITH LETTERING CLS AND OPN, surface_treatment: ANODIZE, general_characteristics_item_description: ITEM CONSISTS OF COVER BYLB413 WITH PRESS FITTED SPACER BYLB424; COVER AND SPACER ANODIZED BEFORE ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-223-7578, 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
BYLB426
NSN: 4810-01-223-7578
FSC: 4810 — Valves, Powered
CAGE: 05624 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialALUMINUM
overall_length0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
overall_diameter0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
special_featuresMARKED WITH LETTERING CLS AND OPN
surface_treatmentANODIZE
general_characteristics_item_descriptionITEM CONSISTS OF COVER BYLB413 WITH PRESS FITTED SPACER BYLB424; COVER AND SPACER ANODIZED BEFORE ASSEMBLY
NSN4810-01-223-7578
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: BYLB426 · 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
•
OVERALL DIAMETER: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ITEM CONSISTS OF COVER BYLB413 WITH PRESS FITTED SPACER BYLB424; COVER AND SPACER ANODIZED BEFORE ASSEMBLY
•
SURFACE TREATMENT: ANODIZE
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONITEM CONSISTS OF COVER BYLB413 WITH PRESS FITTED SPACER BYLB424; COVER AND SPACER ANODIZED BEFORE ASSEMBLY
OVERALL LENGTH0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
SPECIAL FEATURESMARKED WITH LETTERING CLS AND OPN
SURFACE TREATMENTANODIZE
MATERIALALUMINUM
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

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 BYLB426?
BYLB426 is a COVER PLATE,VALVE.
What is the NSN for BYLB426?
BYLB426 is cataloged in the U.S. Government catalog under NSN 4810-01-223-7578. 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.