PartsTable
Technical Data Sheet
1601-450 ✓ 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 CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, seat_type: GASKET, reducer_type: CONCENTRIC, connection_type: THREADED INTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: THREADED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-287-0132, 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
1601-450
NSN: 4730-00-287-0132
FSC: 4730
CAGE: 72423 — FLAGG STANLEY G & CO INC DBA FLAGG BRASS (USA)
SPECIFICATIONS
materialIRON OVERALL
seat_typeGASKET
reducer_typeCONCENTRIC
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorTHREADED
operating_pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size2.500 INCHES SECOND END IN
coupling_flange_shapeHEXAGON
nominal_overall_length3.250 INCHES IN
thread_series_designatorNPT FIRST END
nominal_pipe_size_accommodated2.500 INCHES SECOND END IN
NSN4730-00-287-0132
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1601-450 · 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
NOMINAL PIPE SIZE ACCOMMODATED: 2.500 INCHES SECOND END IN
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
NOMINAL THREAD SIZE: 2.500 INCHES FIRST END IN
COUPLING FLANGE SHAPE: HEXAGON
OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL OVERALL LENGTH: 3.250 INCHES IN
THREAD SERIES DESIGNATOR: NPT SECOND END
STYLE DESIGNATOR: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL PIPE SIZE ACCOMMODATED2.500 INCHES SECOND END IN
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
NOMINAL THREAD SIZE2.500 INCHES FIRST END IN
COUPLING FLANGE SHAPEHEXAGON
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL OVERALL LENGTH3.250 INCHES IN
THREAD SERIES DESIGNATORNPT SECOND END
STYLE DESIGNATORTHREADED
MATERIALIRON OVERALL
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
219212Interchangeable
interchangeable cross-reference
interchangeable
135275Interchangeable
interchangeable cross-reference
interchangeable
0740113Interchangeable
interchangeable cross-reference
interchangeable
B16.39Interchangeable
Same NIIN cross-reference
interchangeable
219-2-1/2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1601-450?
1601-450 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 1601-450?
There are 5 known substitutes for 1601-450: 219212, 135275, 0740113 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1601-450?
1601-450 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-287-0132. This indicates validated use in U.S. government and defense supply chains.
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