PartsTable
Technical Data Sheet
1551AS294-4022 ✓ 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 ELBOW,PIPE is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.750 INCHES NOMINAL FIRST END IN, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) FIRST END, surface_treatment: ZINC 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 4730-01-300-4099, 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
1551AS294-4022
NSN: 4730-01-300-4099
FSC: 4730
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialIRON OVERALL
flow_angle90.0 DEGREES
leg_length0.750 INCHES NOMINAL FIRST END IN
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) FIRST END
surface_treatmentZINC OVERALL
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST 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
NSN4730-01-300-4099
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1551AS294-4022 · 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
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
LEG LENGTH: 0.940 INCHES NOMINAL SECOND END IN
SURFACE TREATMENT: ZINC OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES SECOND END IN
CONNECTION STYLE: PLAIN (PIPE) SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
LEG LENGTH0.940 INCHES NOMINAL SECOND END IN
SURFACE TREATMENTZINC OVERALL
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
LEG LENGTH0.750 INCHES NOMINAL FIRST END IN
CONNECTION STYLEPLAIN (PIPE) FIRST END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT SECOND END
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 1551AS294-4022?
1551AS294-4022 is a ELBOW,PIPE.
What parts can replace 1551AS294-4022?
There are 20 known substitutes for 1551AS294-4022: 1551AS294, 661 3-4, 1551AS294-6X05 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1551AS294-4022?
1551AS294-4022 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-300-4099. This indicates validated use in U.S. government and defense supply chains.
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