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74R585004-2001 — ADAPTER,STRAIGHT,FLANGE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

74R585004-2001: ADAPTER,STRAIGHT,FLANGE TO TUBE.

ADAPTER,STRAIGHT,FLANGE TO TUBE. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, flange_shape: ROUND SECOND END, thread_class: 3A FIRST END A, connection_type: FLANGE SECOND END, connection_style: PLAIN (TUBE) FIRST END, special_features: SLOTS;4 ON THE OUTER PERIPHERY EVENLY SPACED,WIDTH 0.500 IN. DEPTH 0.220 IN.,FLANGED END INT THDS 2.500-16UNJ-3B IN.

This part is cataloged in the U.S. Government catalog under NSN 4730-01-204-8370, 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
74R585004-2001
NSN: 4730-01-204-8370
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
flange_shapeROUND SECOND END
thread_class3A FIRST END A
connection_typeFLANGE SECOND END
connection_stylePLAIN (TUBE) FIRST END
special_featuresSLOTS;4 ON THE OUTER PERIPHERY EVENLY SPACED,WIDTH 0.500 IN. DEPTH 0.220 IN.,FLANGED END INT THDS 2.500-16UNJ-3B IN
nominal_thickness0.125 INCHES SECOND END IN
flange_face_designRAISED STRAIGHT SECOND END
nominal_thread_size2.750 INCHES FIRST END IN
nominal_overall_length1.720 INCHES IN
nominal_outside_diameter3.500 INCHES SECOND END IN
thread_quantity_per_inch16 FIRST END
NSN4730-01-204-8370
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 74R585004-2001 · 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 SHAPE: ROUND SECOND END
•
FLANGE FACE DESIGN: RAISED STRAIGHT SECOND END
•
CONNECTION STYLE: PLAIN (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.720 INCHES IN
•
CONNECTION TYPE: FLANGE SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6 COND 1 851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 2.250 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT SECOND END
CONNECTION STYLEPLAIN (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.720 INCHES IN
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 COND 1 851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED2.250 INCHES FIRST END IN
NOMINAL THREAD SIZE2.750 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER3.500 INCHES SECOND END IN
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 1
74R585004Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74R585004-2001?
74R585004-2001 is a ADAPTER,STRAIGHT,FLANGE TO TUBE.
What parts can replace 74R585004-2001?
There is 1 known substitute for 74R585004-2001: 74R585004. Substitute compatibility should be verified for your specific system.
What is the NSN for 74R585004-2001?
74R585004-2001 is cataloged in the U.S. Government catalog under NSN 4730-01-204-8370. This indicates validated use in U.S. government and defense supply chains.
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