PartsTable
Technical Data Sheet
500123 ✓ 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 ADAPTER,SWITCH ACTUATOR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, contact_type: SOLDER LUG, connection_type: THREADED INTERNAL PIPE SECOND END, mounting_method: FLANGE, connection_style: PLAIN (PIPE) SECOND END, special_features: TRANSMITTER,DIFFERENTIAL PRESSURE;CONTAINS A HI AND LO PRESSURE PORT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-481-2405, 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
500123
NSN: 4730-00-481-2405
FSC: 4730
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
contact_typeSOLDER LUG
connection_typeTHREADED INTERNAL PIPE SECOND END
mounting_methodFLANGE
connection_stylePLAIN (PIPE) SECOND END
special_featuresTRANSMITTER,DIFFERENTIAL PRESSURE;CONTAINS A HI AND LO PRESSURE PORT
features_providedNONADJUSTABLE
nominal_thread_size0.750 INCHES SECOND END IN
actuator_adapter_styleROLLER LEAF
nominal_overall_length1.620 INCHES IN
thread_series_designatorNPT SECOND END
mechanical_connection_size1/8 O.D. TUBING
NSN4730-00-481-2405
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 500123 · 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
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES SECOND END IN
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES FIRST END IN
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH: 1.620 INCHES IN
CONNECTION STYLE: SOCKET (TUBE) FIRST END
NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES SECOND END IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES FIRST END IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH1.620 INCHES IN
CONNECTION STYLESOCKET (TUBE) FIRST END
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
THREAD SERIES DESIGNATORNPT SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
A1-551Interchangeable
interchangeable cross-reference
interchangeable
1-551Interchangeable
interchangeable cross-reference
interchangeable
A155B1Interchangeable
interchangeable cross-reference
interchangeable
A9144Interchangeable
interchangeable cross-reference
interchangeable
GPW14402BInterchangeable
interchangeable cross-reference
interchangeable
GPW14402Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500123?
500123 is a ADAPTER,SWITCH ACTUATOR.
What parts can replace 500123?
There are 16 known substitutes for 500123: A1-551, 1-551, A155B1 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 500123?
500123 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-481-2405. This indicates validated use in U.S. government and defense supply chains.
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