The Reducer,tube, cataloged under National Stock Number 4730-01-036-1087, 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 Cosmodyne, Llc Dba Cosmodyne Llc. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-036-1087 |
| Primary Part Number | 3200331-1 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cosmodyne, Llc Dba Cosmodyne Llc |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 1.250 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.453 INCHES SECOND END IN |
| Nominal Thread Size | 0.578 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | FLUID FIRST RESPONSE |
| Media for Which Designed | AIR SECOND RESPONSE |
| Thread Class | 2B ALL ENDS |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNS ALL ENDS |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 3200331-1 PRIMARY | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
NSN 4730-01-036-1087 is a Reducer,tube, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-036-1087 has 1 manufacturer part number on file: 3200331-1 (Cosmodyne, Llc Dba Cosmodyne Llc).
Key specifications for 3200331-1: Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 1.250 INCHES IN; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN. 16 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.