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502FQ ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The FILTER ASSEMBLY,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, body_length: 0.650 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN, magnet_width: 0.120 INCHES NOMINAL IN, connection_style: PLAIN, style_designator: PLUG, MAGNETIC, thread_direction: RIGHT-HAND EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-842-2191, 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
502FQ
NSN: 4730-00-842-2191
FSC: 4730
CAGE: 36540 — LISLE CORP (USA)
SPECIFICATIONS
materialIRON OVERALL
body_length0.650 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
magnet_width0.120 INCHES NOMINAL IN
connection_stylePLAIN
style_designatorPLUG, MAGNETIC
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.250 INCHES EXTERNAL IN
magnet_projection_length0.250 INCHES NOMINAL IN
thread_series_designatorNPTF EXTERNAL
NSN4730-00-842-2191
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 502FQ · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
BODY LENGTH: 0.650 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLUG, MAGNETIC
•
MAGNET PROJECTION LENGTH: 0.250 INCHES NOMINAL IN
•
MATERIAL: IRON OVERALL
•
CONNECTION STYLE: PLAIN
•
NOMINAL THREAD SIZE: 0.250 INCHES EXTERNAL IN
•
THREAD SERIES DESIGNATOR: NPTF EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND EXTERNAL
BODY LENGTH0.650 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
STYLE DESIGNATORPLUG, MAGNETIC
MAGNET PROJECTION LENGTH0.250 INCHES NOMINAL IN
MATERIALIRON OVERALL
CONNECTION STYLEPLAIN
NOMINAL THREAD SIZE0.250 INCHES EXTERNAL IN
THREAD SERIES DESIGNATORNPTF EXTERNAL
MAGNET WIDTH0.120 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
3241-5Interchangeable
interchangeable cross-reference
interchangeable
4402-7Interchangeable
interchangeable cross-reference
interchangeable
LCT6-501S2601-93520Interchangeable
interchangeable cross-reference
interchangeable
E3261PC51Interchangeable
interchangeable cross-reference
interchangeable
36541Interchangeable
interchangeable cross-reference
interchangeable
E3266PC51Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 502FQ?
502FQ is a FILTER ASSEMBLY,ELECTRICAL.
What parts can replace 502FQ?
There are 16 known substitutes for 502FQ: 3241-5, 4402-7, LCT6-501S2601-93520 and 13 more. Substitute compatibility should be verified for your specific system.
Is 502FQ still available?
502FQ is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026