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501-0555 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

501-0555: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include end_item_identification: LOS ANGELES CLASS SSN, furnished_items_and_quantity: 1 TAILPIECE, part_name_assigned_by_controlling_agency: 2-1/2" VALVE ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-513-8460, 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
501-0555
NSN: 4820-01-513-8460
FSC: 4820 — Valves, Nonpowered
CAGE: 53154 — PORTLAND VALVE LLC (USA)
SPECIFICATIONS
end_item_identificationLOS ANGELES CLASS SSN
furnished_items_and_quantity1 TAILPIECE
part_name_assigned_by_controlling_agency2-1/2" VALVE ASSEMBLY
NSN4820-01-513-8460
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 501-0555 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 TAILPIECE
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 TAILPIECE
PART NAME ASSIGNED BY CONTROLLING AGENCY2-1/2" VALVE ASSEMBLY
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN
SUBSTITUTES & CROSS-REFERENCES 1
6002-151 ASSY. AReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 501-0555?
501-0555 is a VALVE,BALL.
What parts can replace 501-0555?
There is 1 known substitute for 501-0555: 6002-151 ASSY. A. Substitute compatibility should be verified for your specific system.
What is the NSN for 501-0555?
501-0555 is cataloged in the U.S. Government catalog under NSN 4820-01-513-8460. 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.