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HS4523-4D — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

HS4523-4D: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, seat_angle: 12.0 DEGREES SECOND END, thread_class: 3A SECOND END A, connection_type: UNTHREADED INTERNAL TUBE FIRST END, connection_style: SWAGED W/ GROOVES (TUBE) FIRST END, style_designator: SWAGED AND THREADED EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-603-4696, 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
HS4523-4D
NSN: 4730-01-603-4696
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
seat_angle12.0 DEGREES SECOND END
thread_class3A SECOND END A
connection_typeUNTHREADED INTERNAL TUBE FIRST END
connection_styleSWAGED W/ GROOVES (TUBE) FIRST END
style_designatorSWAGED AND THREADED EXTERNAL
nominal_thread_size0.438 INCHES SECOND END IN
nominal_overall_length1.484 INCHES IN
end_item_identification1520-01-599-2203
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
part_name_assigned_by_controlling_agencyUNION, PERMASWAGE, FLARELESS
nominal_outside_diameter_tube_accommodated0.250 INCHES ALL ENDS IN
NSN4730-01-603-4696
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: HS4523-4D · 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
•
CONNECTION STYLE: FLARELESS (TUBE) SECOND END
•
NOMINAL OVERALL LENGTH: 1.484 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
•
STYLE DESIGNATOR: SWAGED AND THREADED EXTERNAL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.438 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARELESS (TUBE) SECOND END
CONNECTION STYLESWAGED W/ GROOVES (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.484 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
STYLE DESIGNATORSWAGED AND THREADED EXTERNAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
SEAT ANGLE12.0 DEGREES SECOND END
PART NAME ASSIGNED BY CONTROLLING AGENCYUNION, PERMASWAGE, FLARELESS
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HS4523-4D?
HS4523-4D is a COUPLING,TUBE.
What is the NSN for HS4523-4D?
HS4523-4D is cataloged in the U.S. Government catalog under NSN 4730-01-603-4696. This indicates validated use in U.S. government and defense supply chains.
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