The Reducer,boss, cataloged under National Stock Number 4730-01-735-0351, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Applied Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-735-0351 |
| Primary Part Number | AS5174D1610V |
| Item Name | Reducer,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Applied Inc |
| Status | ACTIVE |
| 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 Outside Diameter Tube Accommodated | 1.0 INCHES FIRST END IN |
| Nominal Thread Size | 1.3125 INCHES FIRST END IN |
| Nominal Thread Size | 0.8750 INCHES SECOND END IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Quantity Per Inch | 14 SECOND END |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) BOTH ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AS5174D1610V PRIMARY | Applied Inc (USA) |
| Reference | Meaning |
|---|---|
| AS5174 | 5/1 Secondary reference Applied Inc |
NSN 4730-01-735-0351 is a Reducer,boss, manufactured by Applied Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-735-0351 has 1 manufacturer part number on file: AS5174D1610V (Applied Inc).
Key specifications for AS5174D1610V: 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. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.