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HS4577-8 — COUPLING HALF,SELF-SEALING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

HS4577-8: COUPLING HALF,SELF-SEALING.

The COUPLING HALF,SELF-SEALING is a the manufacturer industrial component. Key specifications include material: ALUMINUM BODY, seat_angle: 45.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED, thread_class: 3A ALL ENDS A, overall_length: 2.418 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION, connection_style: FLARELESS ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-182-5162, 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
HS4577-8
NSN: 4730-01-182-5162
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialALUMINUM BODY
seat_angle45.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
thread_class3A ALL ENDS A
overall_length2.418 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
connection_styleFLARELESS ALL ENDS
special_featuresBULKHEAD ON FLUID CONNECTION
style_designatorMALE COUPLING HALF
surface_treatmentANODIZE BODY
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.750 INCHES ALL ENDS IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN4730-01-182-5162
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: HS4577-8 · 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
•
CONNECTION STYLE: FLARELESS ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
•
SEAT ANGLE: 45.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARELESS ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH2.418 INCHES NOMINAL IN
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
SEAT ANGLE45.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
SPECIAL FEATURESBULKHEAD ON FLUID CONNECTION
SURFACE TREATMENTANODIZE BODY
THREAD CLASS3A ALL ENDS A
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 HS4577-8?
HS4577-8 is a COUPLING HALF,SELF-SEALING.
What is the NSN for HS4577-8?
HS4577-8 is cataloged in the U.S. Government catalog under NSN 4730-01-182-5162. This indicates validated use in U.S. government and defense supply chains.
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