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AS4137 — ELBOW,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AS4137: ELBOW,TUBE.

The ELBOW,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flow_angle: 45.0 DEGREES, leg_length: 0.916 INCHES NOMINAL SECOND END IN, nominal_width: 0.577 INCHES ALL ENDS IN, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARELESS (TUBE) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-723-0486, 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
AS4137
NSN: 4730-01-723-0486
NIINs: 017230486, 017230491, 017230511
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flow_angle45.0 DEGREES
leg_length0.916 INCHES NOMINAL SECOND END IN
nominal_width0.577 INCHES ALL ENDS IN
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARELESS (TUBE) SECOND END
style_designatorELBOW
surface_treatmentPASSIVATE OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.7500 INCHES ALL ENDS IN
end_item_identificationKC-46A AIRCRAFT A
media_for_which_designedFLUID SINGLE RESPONSE
NSN4730-01-723-0486
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS4137 · 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
•
FLOW ANGLE: 45.0 DEGREES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2700 TYPE 6 OR 7 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: SWIVEL, PLAIN (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: ELBOW
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5659 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW ANGLE45.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2700 TYPE 6 OR 7 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLESWIVEL, PLAIN (TUBE) FIRST END
CONNECTION STYLEFLARELESS (TUBE) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORELBOW
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5659 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH0.916 INCHES NOMINAL SECOND END IN
LEG LENGTH0.869 INCHES NOMINAL FIRST END IN
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS4137?
AS4137 is a ELBOW,TUBE.
What is the NSN for AS4137?
AS4137 is cataloged in the U.S. Government catalog under NSN 4730-01-723-0486. This indicates validated use in U.S. government and defense supply chains.
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