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18440 PC NO.3 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

18440 PC NO.3: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: NICKEL ALLOY BODY, valve_size: 0.250 INCHES IN, end_item_identification: WATER PURIFICATION UNIT, MODEL LCS1, nondefinitive_spec/std_data: MONEL 400 ALLOY, part_name_assigned_by_controlling_agency: INSTRUMENT TEST VALVE, 0.25OD. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-547-9483, 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
18440 PC NO.3
NSN: 4820-01-547-9483
FSC: 4820 — Valves, Nonpowered
CAGE: 62144 — PARKER HANNIFIN CORPORATION DIV VILLAGE MARINE TECH (USA)
SPECIFICATIONS
materialNICKEL ALLOY BODY
valve_size0.250 INCHES IN
end_item_identificationWATER PURIFICATION UNIT, MODEL LCS1
nondefinitive_spec/std_dataMONEL 400 ALLOY
part_name_assigned_by_controlling_agencyINSTRUMENT TEST VALVE, 0.25OD
NSN4820-01-547-9483
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18440 PC NO.3 · 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
•
VALVE SIZE: 0.250 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: MONEL 400 ALLOY
•
MATERIAL: NICKEL ALLOY BODY
TECHNICAL CHARACTERISTICS
VALVE SIZE0.250 INCHES IN
NONDEFINITIVE SPEC/STD DATAMONEL 400 ALLOY
PART NAME ASSIGNED BY CONTROLLING AGENCYINSTRUMENT TEST VALVE, 0.25OD
END ITEM IDENTIFICATIONWATER PURIFICATION UNIT, MODEL LCS1
MATERIALNICKEL ALLOY BODY
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 18440 PC NO.3?
18440 PC NO.3 is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for 18440 PC NO.3?
18440 PC NO.3 is cataloged in the U.S. Government catalog under NSN 4820-01-547-9483. 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.