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398617 — COUPLER,ANTENNA

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

398617: COUPLER,ANTENNA.

The COUPLER,ANTENNA is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 8.000 INCHES NOMINAL IN, length: 54.000 INCHES NOMINAL IN, material: FIBER, thickness: 1.750 INCHES NOMINAL IN, flow_angle: 45.0 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-231-5619, 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
398617
NSN: 4730-00-231-5619
NIINs: 002315619, 009897540, 010425750
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
shapeRECTANGULAR
width8.000 INCHES NOMINAL IN
length54.000 INCHES NOMINAL IN
materialFIBER
thickness1.750 INCHES NOMINAL IN
flow_angle45.0 DEGREES
leg_length0.500 INCHES NOMINAL SECOND END IN
seat_angle45.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleINVERTED FLARE (TUBE) FIRST END
fabrication_methodWOVEN
NSN4730-00-231-5619
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 398617 · 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
•
FLOW ANGLE: 45.0 DEGREES
•
CONNECTION STYLE: INVERTED FLARE (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
LEG LENGTH: 0.500 INCHES NOMINAL SECOND END IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE45.0 DEGREES
CONNECTION STYLEINVERTED FLARE (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
LEG LENGTH0.500 INCHES NOMINAL SECOND END IN
LEG LENGTH0.625 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 3
791-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-DTL-6001Reference document
Same NSN cross-reference
Reference document — Identification reference
AN791-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 398617?
398617 is a COUPLER,ANTENNA.
What parts can replace 398617?
There are 3 known substitutes for 398617: 791-4, MIL-DTL-6001, AN791-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 398617?
398617 is cataloged in the U.S. Government catalog under NSN 4730-00-231-5619. This indicates validated use in U.S. government and defense supply chains.
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