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Technical Data Sheet
PartsTable / MRO / 111439
111439 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: STEEL CORROSION RESISTING, body_width: 1.750 INCHES NOMINAL IN, body_height: 1.380 INCHES NOMINAL IN, body_length: 6.000 INCHES NOMINAL IN, body_material: METAL, inclosure_type: HERMETICALLY SEALED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-236-2650, 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
MRO→ MRO_GENERAL→ 111439
NSN: 4820-00-236-2650
FSC: 4820
CAGE: 82271 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC CARTRIDGE SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
body_width1.750 INCHES NOMINAL IN
body_height1.380 INCHES NOMINAL IN
body_length6.000 INCHES NOMINAL IN
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
overall_height1.755 INCHES NOMINAL IN
overall_length6.000 INCHES NOMINAL IN
special_featuresTWO FILTERED FUNCTIONS
style_designatorRECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES
nominal_thread_size0.138 INCHES IN
operating_temp_range+0.0 TO 50.0 CELSIUS DEGC
NSN4820-00-236-2650
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 111439 · 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
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES0.630 IN.DIA BOTH ENDS;0.749 IN.LARGEST OD IN
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
G-111439Interchangeable
interchangeable cross-reference
interchangeable
111439-1Interchangeable
interchangeable cross-reference
interchangeable
4365001-1Interchangeable
interchangeable cross-reference
interchangeable
4365001-2Interchangeable
interchangeable cross-reference
interchangeable
111455Interchangeable
interchangeable cross-reference
interchangeable
111439-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 111439?
111439 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 111439?
There are 11 known substitutes for 111439: G-111439, 111439-1, 4365001-1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 111439?
111439 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-236-2650. 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: July 2026