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3-43905-1 — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include valve_operation_method: SOLENOID, end_item_identification: T.O. 9H8-4-170-3, criticality_code_justification: FEAT AND AGAV.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 4810-00-078-4729, 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
3-43905-1
NSN: 4810-00-078-4729
FSC: 4810
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
valve_operation_methodSOLENOID
end_item_identificationT.O. 9H8-4-170-3
criticality_code_justificationFEAT AND AGAV
NSN4810-00-078-4729
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3-43905-1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
051-0325-0001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4D6052InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
51-325InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S1325InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
598-301-1894090REVAPC47InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
H60G0398InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-43905-1?
3-43905-1 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 3-43905-1?
There are 11 known substitutes for 3-43905-1: 051-0325-0001, 4D6052, 51-325 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-43905-1?
3-43905-1 is cataloged in the Federal Logistics Information System under NSN 4810-00-078-4729. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026