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505SD ✓ 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 PLUG,PIPE,MAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_length: 0.780 INCHES NOMINAL IN, magnet_width: 0.688 INCHES NOMINAL IN, connection_style: PLAIN, style_designator: PLUG, MAGNETIC, thread_direction: RIGHT-HAND EXTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-6342, 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
505SD
NSN: 4730-00-278-6342
FSC: 4730
CAGE: 75624 — LIST E J MFG CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_length0.780 INCHES NOMINAL IN
magnet_width0.688 INCHES NOMINAL IN
connection_stylePLAIN
style_designatorPLUG, MAGNETIC
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size1.250 INCHES EXTERNAL IN
magnet_projection_length0.531 INCHES NOMINAL IN
thread_series_designatorNPTF EXTERNAL
NSN4730-00-278-6342
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 505SD · 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
•
CONNECTION STYLE: PLAIN
•
BODY LENGTH: 0.780 INCHES NOMINAL IN
•
MAGNET WIDTH: 0.688 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: NPTF EXTERNAL
•
STYLE DESIGNATOR: PLUG, MAGNETIC
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
MAGNET PROJECTION LENGTH: 0.531 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN
BODY LENGTH0.780 INCHES NOMINAL IN
MAGNET WIDTH0.688 INCHES NOMINAL IN
THREAD SERIES DESIGNATORNPTF EXTERNAL
STYLE DESIGNATORPLUG, MAGNETIC
THREAD DIRECTIONRIGHT-HAND EXTERNAL
MAGNET PROJECTION LENGTH0.531 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE1.250 INCHES EXTERNAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
2-997Interchangeable
interchangeable cross-reference
interchangeable
21997Interchangeable
interchangeable cross-reference
interchangeable
89398Interchangeable
interchangeable cross-reference
interchangeable
HHP51TYPE3GRADEAInterchangeable
interchangeable cross-reference
interchangeable
593805Interchangeable
interchangeable cross-reference
interchangeable
509904Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 505SD?
505SD is a PLUG,PIPE,MAGNETIC.
What parts can replace 505SD?
There are 17 known substitutes for 505SD: 2-997, 21997, 89398 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 505SD?
505SD is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-6342. 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