PartsTable
Technical Data Sheet
1551AS294-5X04 ✓ 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: 1.120 INCHES NOMINAL FIRST END IN, connection_type: THREADED INTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, special_features: CLEANLINESS SHALL BE IN ACCORDANCE WITH MIL-C-52211 FOR OXYGEN SERVICE, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-300-4118, 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
1551AS294-5X04
NSN: 4730-01-300-4118
FSC: 4730
CAGE: 72423 — FLAGG STANLEY G & CO INC DBA FLAGG BRASS (USA)
SPECIFICATIONS
materialIRON OVERALL
leg_length1.120 INCHES NOMINAL FIRST END IN
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
special_featuresCLEANLINESS SHALL BE IN ACCORDANCE WITH MIL-C-52211 FOR OXYGEN SERVICE
surface_treatmentCADMIUM OVERALL
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
nominal_thread_size0.500 INCHES THIRD END IN
media_for_which_designedWATER-OIL-GAS SECOND 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
NSN4730-01-300-4118
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1551AS294-5X04 · 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: 1.120 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE: 0.500 INCHES THIRD END IN
CONNECTION STYLE: PLAIN (PIPE) FIRST END
CONNECTION TYPE: THREADED INTERNAL PIPE THIRD END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE2,CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATOR: NPT SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH1.120 INCHES NOMINAL FIRST END IN
LEG LENGTH1.120 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE0.500 INCHES THIRD END IN
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE THIRD END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE2,CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORNPT SECOND END
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
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 1551AS294-5X04?
1551AS294-5X04 is a TEE,PIPE.
What parts can replace 1551AS294-5X04?
There are 19 known substitutes for 1551AS294-5X04: 1551AS294, 661 3-4, 1551AS294-6X05 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1551AS294-5X04?
1551AS294-5X04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-300-4118. This indicates validated use in U.S. government and defense supply chains.
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