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ST49D5-7 ✓ 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 HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, leg_length: 1.500 INCHES NOMINAL SECOND END IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, nominal_thread_size: 0.375 INCHES ALL ENDS IN, thread_series_designator: NPTF ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-241-4646, 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
ST49D5-7
NSN: 4730-01-241-4646
FSC: 4730
CAGE: 04236 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length1.500 INCHES NOMINAL SECOND END IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
nominal_thread_size0.375 INCHES ALL ENDS IN
thread_series_designatorNPTF ALL ENDS
NSN4730-01-241-4646
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST49D5-7 · 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 TYPE: THREADED INTERNAL PIPE ALL ENDS
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
LEG LENGTH: 1.500 INCHES NOMINAL FIRST END IN
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
LEG LENGTH1.500 INCHES NOMINAL FIRST END IN
LEG LENGTH1.500 INCHES NOMINAL SECOND END IN
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MATERIALSTEEL OVERALL
LEG LENGTH0.890 INCHES NOMINAL THIRD END IN
THREAD SERIES DESIGNATORNPTF ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
3669941Interchangeable
interchangeable cross-reference
interchangeable
46240Interchangeable
interchangeable cross-reference
interchangeable
GQ1015Interchangeable
interchangeable cross-reference
interchangeable
ST49D5Interchangeable
interchangeable cross-reference
interchangeable
Y25-1Interchangeable
interchangeable cross-reference
interchangeable
10193243-002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST49D5-7?
ST49D5-7 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace ST49D5-7?
There are 13 known substitutes for ST49D5-7: 3669941, 46240, GQ1015 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST49D5-7?
ST49D5-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-241-4646. 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