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PartsTable / COMPONENT / ST9M623-125
ST9M623-125 ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_width: 0.320 INCHES NOMINAL IN, inside_diameter: 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN, style_designator: WIRE, fastening_device_type: COLLARED SLOTTED HEAD SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-050-2489, 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
ST9M623-125
NSN: 4730-01-050-2489
FSC: 4730
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_width0.320 INCHES NOMINAL IN
inside_diameter1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
style_designatorWIRE
fastening_device_typeCOLLARED SLOTTED HEAD SCREW
NSN4730-01-050-2489
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST9M623-125 · 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
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
STYLE DESIGNATOR: WIRE
•
FASTENING DEVICE TYPE: COLLARED SLOTTED HEAD SCREW
•
INSIDE DIAMETER: 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
STYLE DESIGNATORWIRE
FASTENING DEVICE TYPECOLLARED SLOTTED HEAD SCREW
INSIDE DIAMETER1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
OVERALL WIDTH0.320 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
3716Interchangeable
interchangeable cross-reference
interchangeable
1455-CInterchangeable
interchangeable cross-reference
interchangeable
CATAL0G3716Interchangeable
interchangeable cross-reference
interchangeable
F16Interchangeable
interchangeable cross-reference
interchangeable
B107.1Interchangeable
interchangeable cross-reference
interchangeable
27-824Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST9M623-125?
ST9M623-125 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace ST9M623-125?
There are 27 known substitutes for ST9M623-125: 3716, 1455-C, CATAL0G3716 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST9M623-125?
ST9M623-125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-050-2489. 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