PartsTable
Technical Data Sheet
45-4278-030-010 ✓ 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 CUSHION,SEAT BACK,VEHICULAR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.500 INCHES NOMINAL FIRST END IN, seat_angle: 42.0 DEGREES FIRST END, thread_class: 2B FIRST END, connection_type: THREADED INTERNAL PIPE SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-391-3777, 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
45-4278-030-010
NSN: 4730-00-391-3777
FSC: 4730
CAGE: 81336 — CHIEF OF ENGINEERS DEPT OF ARMY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length0.500 INCHES NOMINAL FIRST END IN
seat_angle42.0 DEGREES FIRST END
thread_class2B FIRST END
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) FIRST END
operating_pressure1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.125 INCHES SECOND END IN
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
thread_quantity_per_inch24 FIRST END
thread_series_designatorNPTF SECOND END
NSN4730-00-391-3777
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 45-4278-030-010 · 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
OPERATING PRESSURE: 1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD SERIES DESIGNATOR: NPTF SECOND END
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
SEAT ANGLE: 42.0 DEGREES FIRST END
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
MATERIAL: COPPER ALLOY OVERALL
LEG LENGTH: 0.500 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD SERIES DESIGNATORNPTF SECOND END
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
SEAT ANGLE42.0 DEGREES FIRST END
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
MATERIALCOPPER ALLOY OVERALL
LEG LENGTH0.500 INCHES NOMINAL FIRST END IN
CONNECTION STYLEPLAIN (PIPE) FIRST END
THREAD SERIES DESIGNATORUNS FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1-233156Interchangeable
interchangeable cross-reference
interchangeable
1645425Interchangeable
interchangeable cross-reference
interchangeable
7-798-000032Interchangeable
interchangeable cross-reference
interchangeable
5020005Interchangeable
interchangeable cross-reference
interchangeable
10572Interchangeable
interchangeable cross-reference
interchangeable
120-06Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45-4278-030-010?
45-4278-030-010 is a CUSHION,SEAT BACK,VEHICULAR.
What parts can replace 45-4278-030-010?
There are 12 known substitutes for 45-4278-030-010: 1-233156, 1645425, 7-798-000032 and 9 more. Substitute compatibility should be verified for your specific system.
Is 45-4278-030-010 still available?
45-4278-030-010 is currently cancelled.
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