The Reducer,tube, cataloged under National Stock Number 4730-01-655-7403, 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 R.g.h. Associates, Inc. Dba Richards Screw Machine. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Reducer,tube |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | R.g.h. Associates, Inc. Dba Richards Screw Machine (CAGE 2Y283); Hydraflow (CAGE 24984); Voss Industries, Llc (CAGE 14242) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-655-7403 |
| Primary Part Number | JSFF66D10A16S |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | R.g.h. Associates, Inc. Dba Richards Screw Machine |
| Status | ACTIVE |
| 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 |
|---|---|
| JSFF66D10A16S PRIMARY | R.g.h. Associates, Inc. Dba Richards Screw Machine (USA) |
| JSFF66D10A16S PRIMARY | Hydraflow (USA) |
| JSFF66D10A16S PRIMARY | Voss Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| JSFF66D10A16S | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFF66 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-655-7403 is a Reducer,tube, manufactured by R.g.h. Associates, Inc. Dba Richards Screw Machine, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-655-7403 has 3 manufacturer part numbers on file: JSFF66D10A16S (R.g.h. Associates, Inc. Dba Richards Screw Machine), JSFF66D10A16S (Hydraflow), JSFF66D10A16S (Voss Industries, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-655-7408. Verify interchangeability with system specifications before substitution.
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.