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R357P16 — ELBOW,FLANGE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

R357P16: ELBOW,FLANGE TO TUBE.

The ELBOW,FLANGE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 2.120 INCHES NOMINAL FIRST END IN, seat_angle: 45.0 DEGREES FIRST END, flange_shape: ROUND SECOND END, thread_class: 3A FIRST END A. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-689-1990, 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
R357P16
NSN: 4730-00-689-1990
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
flow_angle90.0 DEGREES
leg_length2.120 INCHES NOMINAL FIRST END IN
seat_angle45.0 DEGREES FIRST END
flange_shapeROUND SECOND END
thread_class3A FIRST END A
connection_typeFLANGE SECOND END
connection_styleFLARED (TUBE) FIRST END
nominal_thickness0.156 INCHES SECOND END IN
surface_treatmentANODIZE OUTSIDEUNABLE TO DECODE
flange_face_designRECESSED STRAIGHT SECOND END
nominal_thread_size1.312 INCHES FIRST END IN
NSN4730-00-689-1990
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: R357P16 · 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
•
RECESS NOMINAL DEPTH: 0.560 INCHES SECOND END IN
•
FLANGE SHAPE: ROUND SECOND END
•
FLOW ANGLE: 90.0 DEGREES
•
FLANGE FACE DESIGN: RECESSED STRAIGHT SECOND END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2470 ASSN STD SINGLE TREATMENT RESPONSE OUTSIDEUNABLE TO DECODE
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
CONNECTION TYPE: FLANGE SECOND END
TECHNICAL CHARACTERISTICS
RECESS NOMINAL DEPTH0.560 INCHES SECOND END IN
FLANGE SHAPEROUND SECOND END
FLOW ANGLE90.0 DEGREES
FLANGE FACE DESIGNRECESSED STRAIGHT SECOND END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2470 ASSN STD SINGLE TREATMENT RESPONSE OUTSIDEUNABLE TO DECODE
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R357P16?
R357P16 is a ELBOW,FLANGE TO TUBE.
What is the NSN for R357P16?
R357P16 is cataloged in the U.S. Government catalog under NSN 4730-00-689-1990. This indicates validated use in U.S. government and defense supply chains.
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