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8L9771 — ELBOW,FLANGE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

8L9771: ELBOW,FLANGE.

The ELBOW,FLANGE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 45.0 DEGREES, leg_length: 5.000 INCHES MINIMUM AND 6.156 INCHES MAXIMUM FIRST END IN, flange_shape: RECTANGULAR WITH HOLES SECOND END, nominal_width: 3.750 INCHES SECOND END IN, nominal_length: 5.312 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-019-7236, 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
8L9771
NSN: 4730-01-019-7236
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle45.0 DEGREES
leg_length5.000 INCHES MINIMUM AND 6.156 INCHES MAXIMUM FIRST END IN
flange_shapeRECTANGULAR WITH HOLES SECOND END
nominal_width3.750 INCHES SECOND END IN
nominal_length5.312 INCHES SECOND END IN
connection_typeFLANGE ALL ENDS
nominal_thickness0.500 INCHES ALL ENDS IN
surface_treatmentPAINT OVERALL
bolt_hole_quantity4 SECOND END
flange_face_designPLAIN ALL ENDS
media_for_which_designedFLUID SINGLE RESPONSE
NSN4730-01-019-7236
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 8L9771 · 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: RECTANGULAR WITH HOLES SECOND END
•
FLOW ANGLE: 45.0 DEGREES
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
NOMINAL LENGTH: 7.875 INCHES FIRST END IN
•
CONNECTION TYPE: FLANGE ALL ENDS
•
BOLT HOLE NOMINAL DIAMETER: 0.375 INCHES ALL ENDS IN
•
LEG LENGTH: 2.875 INCHES MINIMUM AND 3.500 INCHES MAXIMUM SECOND END IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPERECTANGULAR WITH HOLES SECOND END
FLOW ANGLE45.0 DEGREES
FLANGE FACE DESIGNPLAIN ALL ENDS
NOMINAL LENGTH7.875 INCHES FIRST END IN
NOMINAL LENGTH5.312 INCHES SECOND END IN
CONNECTION TYPEFLANGE ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.375 INCHES ALL ENDS IN
LEG LENGTH2.875 INCHES MINIMUM AND 3.500 INCHES MAXIMUM SECOND END IN
LEG LENGTH5.000 INCHES MINIMUM AND 6.156 INCHES MAXIMUM FIRST END IN
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH3.750 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8L9771?
8L9771 is a ELBOW,FLANGE.
What is the NSN for 8L9771?
8L9771 is cataloged in the U.S. Government catalog under NSN 4730-01-019-7236. This indicates validated use in U.S. government and defense supply chains.
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