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Technical Data Sheet
PartsTable / COMPONENT / 655F3-8
655F3-8 ✓ 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: COPPER ALLOY 377 OR COPPER ALLOY 360 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.060 INCHES MINIMUM AND 1.125 INCHES MAXIMUM FIRST END IN, seat_angle: 45.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-198-8792, 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
655F3-8
NSN: 4730-00-198-8792
FSC: 4730
CAGE: 30327 — IMPERIAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY 377 OR COPPER ALLOY 360 OVERALL
flow_angle90.0 DEGREES
leg_length1.060 INCHES MINIMUM AND 1.125 INCHES MAXIMUM FIRST END IN
seat_angle45.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.625 INCHES ALL ENDS IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
media_for_which_designedWATER-OIL-GAS SECOND RESPONSE
thread_series_designatorUNF ALL ENDS
NSN4730-00-198-8792
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 655F3-8 · 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 THREAD SIZE: 0.625 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
SEAT ANGLE: 45.0 DEGREES ALL ENDS
•
MEDIA FOR WHICH DESIGNED: STEAM FIRST RESPONSE
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.625 INCHES ALL ENDS IN
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SEAT ANGLE45.0 DEGREES ALL ENDS
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
THREAD SERIES DESIGNATORUNF ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
LEG LENGTH1.031 INCHES MINIMUM AND 1.125 INCHES MAXIMUM SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
278-2113-010Interchangeable
interchangeable cross-reference
interchangeable
A146Interchangeable
interchangeable cross-reference
interchangeable
D-701Interchangeable
interchangeable cross-reference
interchangeable
7031700Interchangeable
interchangeable cross-reference
interchangeable
GPW6043Interchangeable
interchangeable cross-reference
interchangeable
215-01187-17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 655F3-8?
655F3-8 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 655F3-8?
There are 11 known substitutes for 655F3-8: 278-2113-010, A146, D-701 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 655F3-8?
655F3-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-198-8792. 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