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75A580639-2001 — ADAPTER,STRAIGHT,FLANGE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

75A580639-2001: ADAPTER,STRAIGHT,FLANGE TO BOSS.

ADAPTER,STRAIGHT,FLANGE TO BOSS. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, thread_class: 3A SECOND END3A SECOND END A, connection_type: THREADED EXTERNAL BOSS SECOND ENDTHREADED EXTERNAL BOSS SECOND END, nominal_thickness: 0.214 INCHES FIRST END0.214 INCHES FIRST END IN, surface_treatment: ANODIZE OVERALLANODIZE OVERALL, flange_face_design: PLAIN FIRST ENDPLAIN FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-192-0418, 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
75A580639-2001
NSN: 4730-01-192-0418
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 98462 — HYMAN EDWARD CO (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
thread_class3A SECOND END3A SECOND END A
connection_typeTHREADED EXTERNAL BOSS SECOND ENDTHREADED EXTERNAL BOSS SECOND END
nominal_thickness0.214 INCHES FIRST END0.214 INCHES FIRST END IN
surface_treatmentANODIZE OVERALLANODIZE OVERALL
flange_face_designPLAIN FIRST ENDPLAIN FIRST END
nominal_thread_size2.000 INCHES SECOND END2.000 INCHES SECOND END IN
end_item_identification55N AIRCRAFT, HARRIER AV-8B.55N AIRCRAFT, HARRIER AV-8B.
thread_quantity_per_inch12 SECOND END12 SECOND END
thread_series_designatorUN SECOND ENDUN SECOND END
material_document_and_classificationQQ-A-225/6,COND T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-A-225/6,COND T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4730-01-192-0418
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 75A580639-2001 · 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
•
FLANGE FACE DESIGN: PLAIN FIRST ENDPLAIN FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND ENDTHREADED EXTERNAL BOSS SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,COND T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-A-225/6,COND T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 2.000 INCHES SECOND END2.000 INCHES SECOND END IN
•
SURFACE TREATMENT: ANODIZE OVERALLANODIZE OVERALL
•
THREAD CLASS: 3A SECOND END3A SECOND END A
TECHNICAL CHARACTERISTICS
FLANGE FACE DESIGNPLAIN FIRST ENDPLAIN FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND ENDTHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPEFLANGE FIRST ENDFLANGE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,COND T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-A-225/6,COND T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE2.000 INCHES SECOND END2.000 INCHES SECOND END IN
SURFACE TREATMENTANODIZE OVERALLANODIZE OVERALL
THREAD CLASS3A SECOND END3A SECOND END A
END ITEM IDENTIFICATION55N AIRCRAFT, HARRIER AV-8B.55N AIRCRAFT, HARRIER AV-8B.
THREAD QUANTITY PER INCH12 SECOND END12 SECOND END
MATERIALALUMINUM ALLOY 2024 OVERALL
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: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 75A580639-2001?
75A580639-2001 is a ADAPTER,STRAIGHT,FLANGE TO BOSS.
What is the NSN for 75A580639-2001?
75A580639-2001 is cataloged in the U.S. Government catalog under NSN 4730-01-192-0418. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.