The Reducer,boss, cataloged under National Stock Number 4730-01-017-6599, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-017-6599 |
| Item Name | Reducer,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Nominal Overall Length | 0.756 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 1.313 INCHES FIRST END IN |
| Surface Treatment | ANODIZE INSIDE |
| Surface Treatment | ANODIZE OUTSIDE |
| Thread Class | 3A FIRST END A |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UNF FIRST END |
| Reducer Type | ECCENTRIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 7352578-01 | 3/9 Design control — primary reference U.S. Government activity |
| 7352578-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-017-6599 is a Reducer,boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-017-6599: Surface Treatment Document and Classification: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Surface Treatment Document and Classification: MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE; Nominal Overall Length: 0.756 INCHES IN; Connection Type: THREADED EXTERNAL BOSS FIRST END. 12 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.