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52640-185 — PARTS KIT,LINEAR DIRECTIONAL CON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

52640-185: PARTS KIT,LINEAR DIRECTIONAL CON.

PARTS KIT,LINEAR DIRECTIONAL CON. Key specifications include end_item_identification: AV8B, part_name_assigned_by_controlling_agency: RETROFIT KIT. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-514-9759, 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
52640-185
NSN: 4810-01-514-9759
FSC: 4810 — Valves, Powered
CAGE: 08719 — DUCOMMUN LABARGE TECHNOLOGIES, INC DBA DUCOMMUN LABARGE TECHNOLOGIES, INC (USA)
SPECIFICATIONS
end_item_identificationAV8B
part_name_assigned_by_controlling_agencyRETROFIT KIT
NSN4810-01-514-9759
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 52640-185 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYRETROFIT KIT
END ITEM IDENTIFICATIONAV8B
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
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 52640-185?
52640-185 is a PARTS KIT,LINEAR DIRECTIONAL CON.
What is the NSN for 52640-185?
52640-185 is cataloged in the U.S. Government catalog under NSN 4810-01-514-9759. 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.