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ND39LD5 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ND39LD5: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include reducer_type: CONCENTRIC, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: PLAIN (TUBE) SECOND END, surface_treatment: PASSIVATE OVERALL, nominal_thread_size: 0.438 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-084-6688, 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
ND39LD5
NSN: 4730-01-084-6688
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79326 — TRANSDIGM INC DIV ADELWIGGINS GROUP (USA)
SPECIFICATIONS
reducer_typeCONCENTRIC
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL TUBE SECOND END
connection_stylePLAIN (TUBE) SECOND END
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.438 INCHES SECOND END IN
thread_series_designatorUNEF SECOND END
material_document_and_classificationAMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
tubing_wall_nominal_thickness_for_which_designed0.039 INCHES FIRST END IN
NSN4730-01-084-6688
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ND39LD5 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN (TUBE) SECOND END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.039 INCHES FIRST END IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.438 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN (TUBE) SECOND END
CONNECTION STYLEPLAIN (TUBE) FIRST END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.039 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A SECOND END A
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
ND39LDSReference document
Same NSN cross-reference
Reference document — Secondary reference
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 ND39LD5?
ND39LD5 is a REDUCER,TUBE.
What parts can replace ND39LD5?
There is 1 known substitute for ND39LD5: ND39LDS. Substitute compatibility should be verified for your specific system.
What is the NSN for ND39LD5?
ND39LD5 is cataloged in the U.S. Government catalog under NSN 4730-01-084-6688. This indicates validated use in U.S. government and defense supply chains.
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