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Technical Data Sheet
PartsTable / COMPONENT / 219-2-1/2
219-2-1/2 ✓ 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 219-2-1/2 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 4730-00-287-0132, 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
219-2-1/2
NSN: 4730-00-287-0132
FSC: 4730
CAGE: 14591 — TRANS-TECH, INC. (USA)
SPECIFICATIONS
Part Number219-2-1/2
NSN4730-00-287-0132
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 219-2-1/2 · 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
1601-450Interchangeable
Same NIIN cross-reference
interchangeable
B16.39Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 219-2-1/2?
219-2-1/2 is a 219-2-1/2.
What parts can replace 219-2-1/2?
There are 5 known substitutes for 219-2-1/2: 219212, 135275, 0740113 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 219-2-1/2?
219-2-1/2 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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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026