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AS4138 — ELBOW,SWIVEL FLANGE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AS4138: ELBOW,SWIVEL FLANGE TO TUBE.

The ELBOW,SWIVEL FLANGE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.204 INCHES NOMINAL SECOND END IN, nominal_width: 0.577 INCHES ALL ENDS IN, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: SWIVEL, PLAIN (TUBE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-723-0515, 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
AS4138
NSN: 4730-01-723-0515
NIINs: 017230515, 017258129, 017258130, 017276331, 017280277, 017281083, 017281134
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flow_angle90.0 DEGREES
leg_length1.204 INCHES NOMINAL SECOND END IN
nominal_width0.577 INCHES ALL ENDS IN
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleSWIVEL, PLAIN (TUBE) FIRST END
special_featuresITEM IS FAA CERTIFIED
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
NSN4730-01-723-0515
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS4138 · 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: 90.0 DEGREES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2486 PER AS5272 TYPE 1 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 4928 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW ANGLE90.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2486 PER AS5272 TYPE 1 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 4928 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH1.003 INCHES NOMINAL SECOND END IN
LEG LENGTH0.745 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS4138?
AS4138 is a ELBOW,SWIVEL FLANGE TO TUBE.
What is the NSN for AS4138?
AS4138 is cataloged in the U.S. Government catalog under NSN 4730-01-723-0515. This indicates validated use in U.S. government and defense supply chains.
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