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Technical Data Sheet
PartsTable / COMPONENT / S6L3/4
S6L3/4 ✓ 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 S6L3/4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-6599, 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
S6L3/4
NSN: 4730-00-277-6599
FSC: 4730
CAGE: 3AVR7 — MURRAY EQUIPMENT, INC. DBA MURRAY EQUIPMENT INC (USA)
SPECIFICATIONS
Part NumberS6L3/4
NSN4730-00-277-6599
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S6L3/4 · 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 (PIPE) ALL ENDS
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
•
MAXIMUM OPERATING TEMP: 260.0 FAHRENHEIT SECOND RESPONSE DEGF
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
LEG LENGTH: 1.312 INCHES NOMINAL ALL ENDS IN
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
SURFACE TREATMENTPASSIVATE OVERALL
THREAD SERIES DESIGNATORNPT ALL ENDS
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
MAXIMUM OPERATING TEMP260.0 FAHRENHEIT SECOND RESPONSE DEGF
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
LEG LENGTH1.312 INCHES NOMINAL ALL ENDS IN
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS IN
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
05599REVBInterchangeable
interchangeable cross-reference
interchangeable
18860Interchangeable
interchangeable cross-reference
interchangeable
ANSI B16.3Interchangeable
interchangeable cross-reference
interchangeable
11-400-2Interchangeable
interchangeable cross-reference
interchangeable
18860-1Interchangeable
interchangeable cross-reference
interchangeable
S3216E006Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S6L3/4?
S6L3/4 is a S6L3/4.
What parts can replace S6L3/4?
There are 7 known substitutes for S6L3/4: 05599REVB, 18860, ANSI B16.3 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S6L3/4?
S6L3/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-6599. 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