PartsTable
Technical Data Sheet
2503-5-2 ✓ Verified by PartsTable
IMC Toys · 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 ADAPTER,STRAIGHT,PIPE TO BOSS is a IMC Toys industrial component. Key specifications include bore_diameter: 0.5000 INCHES NOMINAL IN, style_designator: PILLOW BLOCK, SOLID, mounting_hole_type: ROUND, THREADED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-230-8731, 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
2503-5-2
NSN: 4730-00-230-8731
FSC: 4730
CAGE: 22031 — AIR-WAY MANUFACTURING COMPANY (USA)
SPECIFICATIONS
bore_diameter0.5000 INCHES NOMINAL IN
style_designatorPILLOW BLOCK, SOLID
mounting_hole_typeROUND, THREADED
NSN4730-00-230-8731
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2503-5-2 · IMC Toys ⚠ 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
FLOW ANGLE: 45.0 DEGREES
LEG LENGTH: 0.625 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE: 0.500 INCHES FIRST END IN
MATERIAL: STEEL OVERALL
THREAD SERIES DESIGNATOR: NPTF SECOND END
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY PIPE THD TYPE DESIGNATOR
TECHNICAL CHARACTERISTICS (FLIS)
FLOW ANGLE45.0 DEGREES
LEG LENGTH0.625 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORNPTF SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY PIPE THD TYPE DESIGNATOR
THREAD SERIES DESIGNATORUNF FIRST END
SURFACE TREATMENTCADMIUM AND ZINC INSIDE
SURFACE TREATMENTCADMIUM AND ZINC OUTSIDE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
MS20823-8JInterchangeable
interchangeable cross-reference
interchangeable
AS5196J0806Interchangeable
interchangeable cross-reference
interchangeable
AS5196J1212Interchangeable
interchangeable cross-reference
interchangeable
AN823-12JInterchangeable
interchangeable cross-reference
interchangeable
AS5196Interchangeable
interchangeable cross-reference
interchangeable
AS48421/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2503-5-2?
2503-5-2 is a ADAPTER,STRAIGHT,PIPE TO BOSS manufactured by IMC Toys.
What parts can replace 2503-5-2?
There are 28 known substitutes for 2503-5-2: MS20823-8J, AS5196J0806, AS5196J1212 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2503-5-2?
2503-5-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-230-8731. This indicates validated use in U.S. government and defense supply chains.
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