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Technical Data Sheet
PartsTable / COMPONENT / 6-43937-3
6-43937-3 ✓ Verified by PartsTable
— · 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

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: STEEL FRAME, design_type: NONREUSABLE, overall_width: 4.625 INCHES NOMINAL IN, body_thickness: 0.766 INCHES NOMINAL IN, flow_direction: PARALLEL, style_designator: RECTANGULAR (INCL SQUARE). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-153-8836, 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
6-43937-3
NSN: 4820-00-153-8836
FSC: 4820
CAGE: 79U29 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL FRAME
design_typeNONREUSABLE
overall_width4.625 INCHES NOMINAL IN
body_thickness0.766 INCHES NOMINAL IN
flow_directionPARALLEL
style_designatorRECTANGULAR (INCL SQUARE)
body_overall_length7.250 INCHES NOMINAL IN
filtering_media_designWOVEN SINGLE FILTERING MEDIA RESPONSE
media_for_which_designedFUEL/OIL, HYDROCARBON
NSN4820-00-153-8836
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6-43937-3 · 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
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
•
MATERIAL: STEEL COMP 303 BODY
•
MAXIMUM OPERATING TEMP: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
CONNECTION STYLE: FLARELESS ALL ENDS
•
MINIMUM OPERATING TEMP: -65.0 FAHRENHEIT DEGF
•
NOMINAL THREAD SIZE: 0.548 INCHES SECOND END IN
•
VALVE OPERATION METHOD: AUTOMATIC
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLEFLARELESS ALL ENDS
MINIMUM OPERATING TEMP-65.0 FAHRENHEIT DEGF
NOMINAL THREAD SIZE0.548 INCHES SECOND END IN
VALVE OPERATION METHODAUTOMATIC
MOUNTING POSITIONHORIZONTAL OR VERTICAL
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
26373Interchangeable
interchangeable cross-reference
interchangeable
HF-6040Interchangeable
interchangeable cross-reference
interchangeable
19879Interchangeable
interchangeable cross-reference
interchangeable
47A-62FInterchangeable
interchangeable cross-reference
interchangeable
AE837Interchangeable
interchangeable cross-reference
interchangeable
6-3C52052-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6-43937-3?
6-43937-3 is a FILTER ELEMENT,FLUID.
What parts can replace 6-43937-3?
There are 16 known substitutes for 6-43937-3: 26373, HF-6040, 19879 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6-43937-3?
6-43937-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-153-8836. 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