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Technical Data Sheet
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50481REVA ✓ 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 EXPANSION JOINT,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL FLANGE, joint_type: SINGLE, design_type: SPOOL, overall_length: 30.000 INCHES NOMINAL IN, end_connection_type: FLANGED, end_item_identification: MILITARY SEALIFT COMMAND (MSC) EQUIP.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-432-0219, 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
50481REVA
NSN: 4730-01-432-0219
FSC: 4730
CAGE: 70510 — HYSPAN PRECISION PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL FLANGE
joint_typeSINGLE
design_typeSPOOL
overall_length30.000 INCHES NOMINAL IN
end_connection_typeFLANGED
end_item_identificationMILITARY SEALIFT COMMAND (MSC) EQUIP.
traverse_maximum_length1.210 INCHES IN
working_pressure_rating1.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
nominal_pipe_size_designation18.100 INCHES IN
NSN4730-01-432-0219
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 50481REVA · 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
•
JOINT TYPE: SINGLE
•
END CONNECTION TYPE: FLANGED
•
NOMINAL PIPE SIZE DESIGNATION: 18.100 INCHES IN
•
DESIGN TYPE: SPOOL
•
TRAVERSE MAXIMUM LENGTH: 1.210 INCHES IN
•
WORKING PRESSURE RATING: 1.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH30.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMILITARY SEALIFT COMMAND (MSC) EQUIP.
JOINT TYPESINGLE
END CONNECTION TYPEFLANGED
NOMINAL PIPE SIZE DESIGNATION18.100 INCHES IN
DESIGN TYPESPOOL
TRAVERSE MAXIMUM LENGTH1.210 INCHES IN
WORKING PRESSURE RATING1.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MATERIALSTEEL FLANGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
50481Interchangeable
interchangeable cross-reference
interchangeable
34600Interchangeable
interchangeable cross-reference
interchangeable
BJ-1-AInterchangeable
interchangeable cross-reference
interchangeable
404002-1Interchangeable
interchangeable cross-reference
interchangeable
50112Interchangeable
interchangeable cross-reference
interchangeable
1015994Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50481REVA?
50481REVA is a EXPANSION JOINT,PIPE.
What parts can replace 50481REVA?
There are 6 known substitutes for 50481REVA: 50481, 34600, BJ-1-A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50481REVA?
50481REVA is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-432-0219. 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