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6-43937-3 — FILTER ELEMENT,FLUID

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6-43937-3: FILTER ELEMENT,FLUID.

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 part is cataloged in the U.S.

Government catalog 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
NIINs: 001538836, 002215791
FSC: 4820 — Valves, Nonpowered
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
•
FLOW CONTROL DEVICE: POPPET
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CONNECTION STYLE: FLARELESS ALL ENDS
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
MINIMUM OPERATING TEMP: -65.0 FAHRENHEIT DEGF
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEFLARELESS ALL ENDS
MOUNTING POSITIONHORIZONTAL OR VERTICAL
MINIMUM OPERATING TEMP-65.0 FAHRENHEIT DEGF
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
NOMINAL THREAD SIZE0.548 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 1
A3038-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6-43937-3?
6-43937-3 is a FILTER ELEMENT,FLUID.
What parts can replace 6-43937-3?
There is 1 known substitute for 6-43937-3: A3038-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 6-43937-3?
6-43937-3 is cataloged in the U.S. Government catalog under NSN 4820-00-153-8836. 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.