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LD273-0329-0008 — ADAPTER,STRAIGHT,FLANGE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

LD273-0329-0008: ADAPTER,STRAIGHT,FLANGE TO TUBE.

ADAPTER,STRAIGHT,FLANGE TO TUBE. Key specifications include material: ALUMINUM ALLOY OVERALL, seat_angle: 37.0 DEGREES FIRST END, flange_shape: ROUND WITH HOLES SECOND END, thread_class: 3A FIRST END A, connection_type: FLANGE SECOND END, connection_style: FLARED (TUBE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-181-3571, 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
LD273-0329-0008
NSN: 4730-01-181-3571
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
seat_angle37.0 DEGREES FIRST END
flange_shapeROUND WITH HOLES SECOND END
thread_class3A FIRST END A
connection_typeFLANGE SECOND END
connection_styleFLARED (TUBE) FIRST END
nominal_thickness0.120 INCHES SECOND END IN
surface_treatmentANODIZE OVERALLUNABLE TO DECODE
bolt_hole_quantity5 SECOND END
flange_face_designRAISED STRAIGHT SECOND END
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length0.817 INCHES IN
NSN4730-01-181-3571
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: LD273-0329-0008 · 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: ROUND WITH HOLES SECOND END
•
FLANGE FACE DESIGN: RAISED STRAIGHT SECOND END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
BOLT CIRCLE NOMINAL DIAMETER: 1.250 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 0.817 INCHES IN
•
CONNECTION TYPE: FLANGE SECOND END
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT SECOND END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLUNABLE TO DECODE
CONNECTION STYLEFLARED (TUBE) FIRST END
BOLT CIRCLE NOMINAL DIAMETER1.250 INCHES SECOND END IN
NOMINAL OVERALL LENGTH0.817 INCHES IN
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,2024-T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LD273-0329-0008?
LD273-0329-0008 is a ADAPTER,STRAIGHT,FLANGE TO TUBE.
What is the NSN for LD273-0329-0008?
LD273-0329-0008 is cataloged in the U.S. Government catalog under NSN 4730-01-181-3571. This indicates validated use in U.S. government and defense supply chains.
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