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LE273-0030 — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

LE273-0030: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, seat_angle: 8.5 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: UNTHREADED INTERNAL TUBE SECOND END, connection_style: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END, style_designator: RIGID, SHORT CENTER WRENCHING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-277-1530, 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
LE273-0030
NSN: 4730-00-277-1530
NIINs: 002771530, 002792716, 002792717, 002792723, 011792906
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
seat_angle8.5 DEGREES FIRST END
thread_class3B FIRST END
connection_typeUNTHREADED INTERNAL TUBE SECOND END
connection_styleSWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
style_designatorRIGID, SHORT CENTER WRENCHING FACILITY
nominal_thread_size1.125 INCHES FIRST END IN
nominal_overall_length1.563 INCHES IN
thread_quantity_per_inch16 FIRST END
thread_series_designatorUNIFIED NATIONAL JOINT (UNJ) FIRST END
material_document_and_classificationAMS 4965,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V
nominal_outside_diameter_tube_accommodated0.750 INCHES ALL ENDS IN
NSN4730-00-277-1530
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: LE273-0030 · 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
SUBSTITUTES & CROSS-REFERENCES 9
AE16825-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
AP442T12Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST7M201T12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
07A069-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4730PL1633792Reference document
Same NSN cross-reference
Reference document — Informative reference only
MR54040T-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LE273-0030?
LE273-0030 is a COUPLING,TUBE.
What parts can replace LE273-0030?
There are 9 known substitutes for LE273-0030: AE16825-12, AP442T12, ST7M201T12 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LE273-0030?
LE273-0030 is cataloged in the U.S. Government catalog under NSN 4730-00-277-1530. This indicates validated use in U.S. government and defense supply chains.
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