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T54999 — COCK,DRAIN

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

T54999: COCK,DRAIN.

The COCK,DRAIN is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, valve_operation_method: MANUAL, end_item_identification: PIELSTICK 4.2 MAIN PROPULSION DIESEL ENGINE, furnished_items_and_quantity: 5 COVER AND 1 GASKET AND 2 WASHER, part_name_assigned_by_controlling_agency: INDICATOR COCK. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-477-8726, 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
T54999
NSN: 4820-01-477-8726
FSC: 4820 — Valves, Nonpowered
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
valve_operation_methodMANUAL
end_item_identificationPIELSTICK 4.2 MAIN PROPULSION DIESEL ENGINE
furnished_items_and_quantity5 COVER AND 1 GASKET AND 2 WASHER
part_name_assigned_by_controlling_agencyINDICATOR COCK
NSN4820-01-477-8726
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: T54999 · 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: 5 COVER AND 1 GASKET AND 2 WASHER
•
MATERIAL: STEEL OVERALL
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY5 COVER AND 1 GASKET AND 2 WASHER
PART NAME ASSIGNED BY CONTROLLING AGENCYINDICATOR COCK
END ITEM IDENTIFICATIONPIELSTICK 4.2 MAIN PROPULSION DIESEL ENGINE
MATERIALSTEEL OVERALL
VALVE OPERATION METHODMANUAL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T54999?
T54999 is a COCK,DRAIN.
What is the NSN for T54999?
T54999 is cataloged in the U.S. Government catalog under NSN 4820-01-477-8726. 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.