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N20809A — ELBOW,FLANGE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

N20809A: ELBOW,FLANGE TO TUBE.

The ELBOW,FLANGE TO TUBE is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.812 INCHES NOMINAL SECOND END IN, seat_angle: 45.0 DEGREES FIRST END, flange_shape: OVAL WITH HOLES SECOND END, thread_class: 3A FIRST END A. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-078-4097, 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
N20809A
NSN: 4730-00-078-4097
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 06721 — HALDEX BRAKE PRODUCTS CORPORATION (USA)
SPECIFICATIONS
materialIRON OVERALL
flow_angle90.0 DEGREES
leg_length0.812 INCHES NOMINAL SECOND END IN
seat_angle45.0 DEGREES FIRST END
flange_shapeOVAL WITH HOLES SECOND END
thread_class3A FIRST END A
nominal_width1.500 INCHES SECOND END IN
nominal_length2.750 INCHES SECOND END IN
connection_styleINVERTED FLARE (TUBE) FIRST END
nominal_thickness1.312 INCHES SECOND END IN
bolt_hole_quantity2 SECOND END
flange_face_designPLAIN SECOND END
NSN4730-00-078-4097
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: N20809A · 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: OVAL WITH HOLES SECOND END
•
FLOW ANGLE: 90.0 DEGREES
•
FLANGE FACE DESIGN: PLAIN SECOND END
•
CONNECTION STYLE: INVERTED FLARE (TUBE) FIRST END
•
NOMINAL LENGTH: 2.750 INCHES SECOND END IN
•
BOLT CIRCLE NOMINAL DIAMETER: 1.750 INCHES SECOND END IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-I-11444,CLASS 5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SHAPEOVAL WITH HOLES SECOND END
FLOW ANGLE90.0 DEGREES
FLANGE FACE DESIGNPLAIN SECOND END
CONNECTION STYLEINVERTED FLARE (TUBE) FIRST END
NOMINAL LENGTH2.750 INCHES SECOND END IN
BOLT CIRCLE NOMINAL DIAMETER1.750 INCHES SECOND END IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-I-11444,CLASS 5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-I-11444,CLASS 5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALLUNABLE TO DECODE
BOLT HOLE NOMINAL DIAMETER0.344 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 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 2
8748337Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4730000784097Reference document
Same NSN cross-reference
Reference document — Informative 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 N20809A?
N20809A is a ELBOW,FLANGE TO TUBE.
What parts can replace N20809A?
There are 2 known substitutes for N20809A: 8748337, 4730000784097. Substitute compatibility should be verified for your specific system.
What is the NSN for N20809A?
N20809A is cataloged in the U.S. Government catalog under NSN 4730-00-078-4097. This indicates validated use in U.S. government and defense supply chains.
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