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Technical Data Sheet
PartsTable / COMPONENT / 137406
137406 ✓ Verified by PartsTable
Hama · 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

- Stylish, coloured headset for easy talking on the go<br>- Integrated phone function with call answer button and microphone for smartphones<br>- Torsion-free flat cable prevents the formation of knots<br>- Gold-plated plug with low contact resistance for secure signal transmission<br>- Also ideal for MP3 players<br>- Call management functions as far as supported by the telephone (call answer/end, activation of voice dialling)<br>- Remote functions play/pause/title forward/title back as far as supported by the telephone This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-4592, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
137406
NSN: 4730-00-278-4592
FSC: 4730
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
seat_angle42.0 DEGREES FIRST END
thread_class2B FIRST END
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleINVERTED FLARE (TUBE) FIRST END
special_featuresSUPPORTS CLARK MODEL 290M;TRACTOR;WHEELED,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889384,W/ROPS NSN 2420010590090 W
nominal_thread_size0.125 INCHES SECOND END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length0.790 INCHES IN
thread_series_designatorNPTF SECOND END
nondefinitive_spec/std_data5A FIGURE A
specification/standard_data81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4730-00-278-4592
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 137406 · Hama ⚠ 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
•
THREAD SERIES DESIGNATOR: NPTF SECOND END
•
SEAT ANGLE: 42.0 DEGREES FIRST END
•
SPECIFICATION/STANDARD DATA: 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
THREAD CLASS: 2B FIRST END
•
NOMINAL OVERALL LENGTH: 0.790 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: 5A FIGURE A
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPTF SECOND END
SEAT ANGLE42.0 DEGREES FIRST END
SPECIFICATION/STANDARD DATA81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPECIAL FEATURESSUPPORTS CLARK MODEL 290M;TRACTOR;WHEELED,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889384,W/ROPS NSN 2420010590090 W
THREAD CLASS2B FIRST END
NOMINAL OVERALL LENGTH0.790 INCHES IN
NONDEFINITIVE SPEC/STD DATA5A FIGURE A
THREAD SERIES DESIGNATORUNF FIRST END
CONNECTION STYLEINVERTED FLARE (TUBE) FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
ARP568-031MILP5 516Interchangeable
interchangeable cross-reference
interchangeable
3530-7005Interchangeable
interchangeable cross-reference
interchangeable
18214Interchangeable
interchangeable cross-reference
interchangeable
BACN10JD114Interchangeable
interchangeable cross-reference
interchangeable
GGG-L-51Interchangeable
interchangeable cross-reference
interchangeable
373-6XHInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 137406?
137406 is a ADAPTER,STRAIGHT,PIPE TO TUBE manufactured by Hama.
What parts can replace 137406?
There are 27 known substitutes for 137406: ARP568-031MILP5 516, 3530-7005, 18214 and 24 more. Substitute compatibility should be verified for your specific system.
Is 137406 still available?
137406 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026