PartsTable
Technical Data Sheet
2003-4-5B ✓ 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: COPPER ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.940 INCHES NOMINAL SECOND END IN, seat_angle: 45.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-595-2902, 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
2003-4-5B
NSN: 4730-00-595-2902
FSC: 4730
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length0.940 INCHES NOMINAL SECOND END IN
seat_angle45.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleFLARED (TUBE) FIRST END
nominal_thread_size0.250 INCHES SECOND END IN
thread_series_designatorUNF FIRST END
nondefinitive_spec/std_data2A FIGURE A
specification/standard_data81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
nominal_outside_diameter_tube_accommodated0.312 INCHES FIRST END IN
NSN4730-00-595-2902
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2003-4-5B · 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: FLARED (TUBE) FIRST END
SPECIFICATION/STANDARD DATA: 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD SERIES DESIGNATOR: UNF FIRST END
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
LEG LENGTH: 0.970 INCHES NOMINAL FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.312 INCHES FIRST END IN
NOMINAL THREAD SIZE: 0.250 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEFLARED (TUBE) FIRST END
SPECIFICATION/STANDARD DATA81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD SERIES DESIGNATORUNF FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
LEG LENGTH0.970 INCHES NOMINAL FIRST END IN
LEG LENGTH0.940 INCHES NOMINAL SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES FIRST END IN
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
FLOW ANGLE90.0 DEGREES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
910995Interchangeable
interchangeable cross-reference
interchangeable
42-F-05Interchangeable
interchangeable cross-reference
interchangeable
45-4292-050-035Interchangeable
interchangeable cross-reference
interchangeable
2003-45Interchangeable
interchangeable cross-reference
interchangeable
42F5Interchangeable
Same NIIN cross-reference
interchangeable
2104-4-5BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2003-4-5B?
2003-4-5B is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 2003-4-5B?
There are 10 known substitutes for 2003-4-5B: 910995, 42-F-05, 45-4292-050-035 and 7 more. Substitute compatibility should be verified for your specific system.
Is 2003-4-5B still available?
2003-4-5B is currently cancelled.
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