PartsTable
Technical Data Sheet
2021-6-4S ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 37.0 DEGREES SECOND END, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: FLARED (TUBE) SECOND END, style_designator: CENTER WRENCHING FACILITY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-123-6813, 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
2021-6-4S
NSN: 4730-01-123-6813
FSC: 4730
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle37.0 DEGREES SECOND END
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleFLARED (TUBE) SECOND END
style_designatorCENTER WRENCHING FACILITY
surface_treatmentCHROMIUM AND ZINC OUTSIDE
operating_pressure8000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.375 INCHES AND 0.437 INCHES FIRST END IN
nominal_overall_length1.420 INCHES IN
end_item_identificationMRAP - M-ATV UI
thread_series_designatorNPT AND UNF FIRST END
NSN4730-01-123-6813
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2021-6-4S · 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: FLARED (TUBE) SECOND END
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
NOMINAL THREAD SIZE: 0.375 INCHES AND 0.437 INCHES FIRST END IN
THREAD CLASS: 2A SECOND END A
OPERATING PRESSURE: 8000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SURFACE TREATMENT: CHROMIUM AND ZINC OUTSIDE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
NOMINAL THREAD SIZE0.375 INCHES AND 0.437 INCHES FIRST END IN
THREAD CLASS2A SECOND END A
OPERATING PRESSURE8000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
CONNECTION STYLEPLAIN (PIPE) FIRST END
SURFACE TREATMENTCHROMIUM AND ZINC OUTSIDE
SEAT ANGLE37.0 DEGREES SECOND END
NOMINAL OVERALL LENGTH1.420 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
C107A-50Interchangeable
interchangeable cross-reference
interchangeable
0103-6-4Interchangeable
interchangeable cross-reference
interchangeable
100001-009Interchangeable
interchangeable cross-reference
interchangeable
25950AXInterchangeable
Same NIIN cross-reference
interchangeable
12303943-3Interchangeable
Same NIIN cross-reference
interchangeable
12303943Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2021-6-4S?
2021-6-4S is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 2021-6-4S?
There are 6 known substitutes for 2021-6-4S: C107A-50, 0103-6-4, 100001-009 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2021-6-4S?
2021-6-4S is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-123-6813. This indicates validated use in U.S. government and defense supply chains.
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