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Technical Data Sheet
1551AS294-5023 ✓ 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 TEE,PIPE is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, leg_length: 0.810 INCHES NOMINAL SECOND END IN, connection_type: THREADED INTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) THIRD END, surface_treatment: CADMIUM OVERALL, operating_pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-300-4117, 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
1551AS294-5023
NSN: 4730-01-300-4117
FSC: 4730
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialIRON OVERALL
leg_length0.810 INCHES NOMINAL SECOND END IN
connection_typeTHREADED INTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) THIRD END
surface_treatmentCADMIUM OVERALL
operating_pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
nominal_thread_size0.250 INCHES SECOND END IN
media_for_which_designedSTEAM FIRST RESPONSE
thread_series_designatorNPT SECOND END
material_document_and_classificationWW-P-521 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TYPE2,CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-300-4117
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1551AS294-5023 · 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
LEG LENGTH: 0.810 INCHES NOMINAL THIRD END IN
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
CONNECTION STYLE: PLAIN (PIPE) FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH0.810 INCHES NOMINAL THIRD END IN
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION STYLEPLAIN (PIPE) FIRST END
LEG LENGTH0.810 INCHES NOMINAL SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
LEG LENGTH0.810 INCHES NOMINAL FIRST END IN
CONNECTION STYLEPLAIN (PIPE) THIRD END
CONNECTION TYPETHREADED INTERNAL PIPE THIRD END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE2,CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1551AS294Interchangeable
interchangeable cross-reference
interchangeable
661 3-4Interchangeable
interchangeable cross-reference
interchangeable
1551AS294-6X05Interchangeable
interchangeable cross-reference
interchangeable
1551AS294-2023Interchangeable
interchangeable cross-reference
interchangeable
1551AS294 1/4 IN.Interchangeable
interchangeable cross-reference
interchangeable
1551AS294-2042Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1551AS294-5023?
1551AS294-5023 is a TEE,PIPE.
What parts can replace 1551AS294-5023?
There are 20 known substitutes for 1551AS294-5023: 1551AS294, 661 3-4, 1551AS294-6X05 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1551AS294-5023?
1551AS294-5023 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-300-4117. This indicates validated use in U.S. government and defense supply chains.
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