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L5840573 — ELBOW,FLANGE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

L5840573: ELBOW,FLANGE TO BOSS.

The ELBOW,FLANGE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, leg_length: 1.092 INCHES NOMINAL FIRST END IN, flange_shape: RECTANGULAR WITH HOLES FIRST END, thread_class: 3A SECOND END A, nominal_width: 1.092 INCHES FIRST END IN, nominal_length: 1.092 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-181-1190, 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
L5840573
NSN: 4730-01-181-1190
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length1.092 INCHES NOMINAL FIRST END IN
flange_shapeRECTANGULAR WITH HOLES FIRST END
thread_class3A SECOND END A
nominal_width1.092 INCHES FIRST END IN
nominal_length1.092 INCHES FIRST END IN
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
nominal_thickness0.560 INCHES FIRST END IN
bolt_hole_quantity4 FIRST END
nominal_thread_size0.562 INCHES SECOND END IN
end_item_identificationSUPPORT EQUIPMENT, B-1 AIRCRAFT
NSN4730-01-181-1190
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: L5840573 · 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 FIRST END
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
•
NOMINAL LENGTH: 1.092 INCHES FIRST END IN
•
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
•
BOLT HOLE NOMINAL DIAMETER: 0.199 INCHES FIRST END IN
•
LEG LENGTH: 0.310 INCHES NOMINAL SECOND END IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPERECTANGULAR WITH HOLES FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
NOMINAL LENGTH1.092 INCHES FIRST END IN
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPEFLANGE FIRST END
BOLT HOLE NOMINAL DIAMETER0.199 INCHES FIRST END IN
LEG LENGTH0.310 INCHES NOMINAL SECOND END IN
LEG LENGTH1.092 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE0.562 INCHES SECOND END IN
BOLT HOLE QUANTITY4 FIRST END
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 1
L5840573-003Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 L5840573?
L5840573 is a ELBOW,FLANGE TO BOSS.
What parts can replace L5840573?
There is 1 known substitute for L5840573: L5840573-003. Substitute compatibility should be verified for your specific system.
What is the NSN for L5840573?
L5840573 is cataloged in the U.S. Government catalog under NSN 4730-01-181-1190. This indicates validated use in U.S. government and defense supply chains.
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