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1551AS845-3 — COUPLING,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1551AS845-3: COUPLING,PIPE.

The COUPLING,PIPE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, connection_type: UNTHREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) FIRST END, style_designator: THREADED AND PLAIN, surface_treatment: ANODIZE OVERALL, nominal_thread_size: 2.000 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-372-4109, 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
1551AS845-3
NSN: 4730-01-372-4109
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 72423 — FLAGG STANLEY G & CO INC DBA FLAGG BRASS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
connection_typeUNTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) FIRST END
style_designatorTHREADED AND PLAIN
surface_treatmentANODIZE OVERALL
nominal_thread_size2.000 INCHES FIRST END IN
nominal_overall_length5.000 INCHES IN
end_item_identification3655-01-281-7747 TANK,STORAGE,LIQUID ARGON-NITROGEN-OXYGEN
thread_series_designatorNPT FIRST END
nominal_pipe_size_accommodated2.000 INCHES SECOND END IN
material_document_and_classificationMIL-P-25995,T-6 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-372-4109
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1551AS845-3 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 2.000 INCHES SECOND END IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
NOMINAL OVERALL LENGTH: 5.000 INCHES IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL PIPE SECOND END
•
STYLE DESIGNATOR: THREADED AND PLAIN
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES SECOND END IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH5.000 INCHES IN
CONNECTION TYPEUNTHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORTHREADED AND PLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25995,T-6 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE2.000 INCHES FIRST 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1551AS845-3?
1551AS845-3 is a COUPLING,PIPE.
What is the NSN for 1551AS845-3?
1551AS845-3 is cataloged in the U.S. Government catalog under NSN 4730-01-372-4109. This indicates validated use in U.S. government and defense supply chains.
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