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505-0008 ✓ 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 COUPLING ASSEMBLY,SELF-SEALING is a the manufacturer industrial component. Key specifications include overall_length: 2.170 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-049-3902, 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
505-0008
NSN: 4730-01-049-3902
FSC: 4730
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
overall_length2.170 INCHES NOMINAL IN
NSN4730-01-049-3902
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 505-0008 · 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
•
MATERIAL: STEEL OVERALL
•
CONNECTION STYLE: PLAIN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD QUANTITY PER INCH: 20 EXTERNAL
•
BODY TYPE: SOLID
•
HEAD TYPE: SOLID
•
THREAD SERIES DESIGNATOR: NPT EXTERNAL
•
DRIVE END STYLE: SLOTTED ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
CONNECTION STYLEPLAIN
SURFACE TREATMENTCADMIUM OVERALL
THREAD QUANTITY PER INCH20 EXTERNAL
BODY TYPESOLID
HEAD TYPESOLID
THREAD SERIES DESIGNATORNPT EXTERNAL
DRIVE END STYLESLOTTED ROUND
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.125 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
50500-1Interchangeable
interchangeable cross-reference
interchangeable
50500-08Interchangeable
interchangeable cross-reference
interchangeable
3075S2-8DInterchangeable
interchangeable cross-reference
interchangeable
505-0053Interchangeable
Same NIIN cross-reference
interchangeable
31784-32Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 505-0008?
505-0008 is a COUPLING ASSEMBLY,SELF-SEALING.
What parts can replace 505-0008?
There are 5 known substitutes for 505-0008: 50500-1, 50500-08, 3075S2-8D and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 505-0008?
505-0008 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-049-3902. 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