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AS5174D1610V — REDUCER,BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AS5174D1610V: REDUCER,BOSS.

The REDUCER,BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, connection_type: THREADED EXTERNAL TUBE ALL ENDS, style_designator: FLARED W/ CENTER WRENCHING FACILITY, surface_treatment: ANODIZE OVERALL, nominal_thread_size: 0.8750 INCHES SECOND END IN, end_item_identification: EA-18G G. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-735-0351, 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
AS5174D1610V
NSN: 4730-01-735-0351
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U585 — APPLIED INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
style_designatorFLARED W/ CENTER WRENCHING FACILITY
surface_treatmentANODIZE OVERALL
nominal_thread_size0.8750 INCHES SECOND END IN
end_item_identificationEA-18G G
thread_quantity_per_inch14 SECOND END
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) BOTH ENDS
material_document_and_classificationAMS-QQ-A-225/6 2024-T6 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyFITTING, UNION AND REDUCER, FLARED
nominal_outside_diameter_tube_accommodated1.0 INCHES FIRST END IN
surface_treatment_document_and_classificationMIL-A-8625 TYPE 2, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-735-0351
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS5174D1610V · 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: MIL-A-8625 TYPE 2, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: FLARED W/ CENTER WRENCHING FACILITY
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-QQ-A-225/6 2024-T6 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES SECOND END IN
•
NOMINAL THREAD SIZE: 1.3125 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TYPE 2, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORFLARED W/ CENTER WRENCHING FACILITY
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-QQ-A-225/6 2024-T6 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.0 INCHES FIRST END IN
NOMINAL THREAD SIZE1.3125 INCHES FIRST END IN
NOMINAL THREAD SIZE0.8750 INCHES SECOND END IN
SURFACE TREATMENTANODIZE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYFITTING, UNION AND REDUCER, FLARED
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
AS5174Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS5174D1610V?
AS5174D1610V is a REDUCER,BOSS.
What parts can replace AS5174D1610V?
There is 1 known substitute for AS5174D1610V: AS5174. Substitute compatibility should be verified for your specific system.
What is the NSN for AS5174D1610V?
AS5174D1610V is cataloged in the U.S. Government catalog under NSN 4730-01-735-0351. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.