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2507-8-8 — POLARIZER,VERY HIGH FREQUENCY OM

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

2507-8-8: POLARIZER,VERY HIGH FREQUENCY OM.

POLARIZER,VERY HIGH FREQUENCY OM. Key specifications include seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, inside_diameter: 0.188 INCHES NOMINAL IN, connection_style: SWIVEL NUT FLARE FIRST END, outside_diameter: 0.304 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-051-3731, 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
2507-8-8
NSN: 4730-00-051-3731
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.188 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter0.304 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
thread_directionRIGHT-HAND FIRST END
nominal_thread_size0.438 INCHES FIRST END IN
fsc_application_dataJETENGINE,AIRCRAFT
end_connection_designSTRAIGHT FIRST END
inside_surface_conditionSMOOTH
thread_quantity_per_inch20 FIRST END
NSN4730-00-051-3731
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2507-8-8 · 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
SUBSTITUTES & CROSS-REFERENCES 3
517089Reference document
Same NSN cross-reference
Reference document — Secondary reference
C692Reference document
Same NSN cross-reference
Reference document — Secondary reference
6V8549Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2507-8-8?
2507-8-8 is a POLARIZER,VERY HIGH FREQUENCY OM.
What parts can replace 2507-8-8?
There are 3 known substitutes for 2507-8-8: 517089, C692, 6V8549. Substitute compatibility should be verified for your specific system.
What is the NSN for 2507-8-8?
2507-8-8 is cataloged in the U.S. Government catalog under NSN 4730-00-051-3731. This indicates validated use in U.S. government and defense supply chains.
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