The Reducer,tube, cataloged under National Stock Number 4730-01-037-8316, 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 Flagg Stanley G & Co Inc Dba Flagg Brass. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-037-8316 |
| Primary Part Number | FIGURE5157-SIZE CODE294 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flagg Stanley G & Co Inc Dba Flagg Brass |
| Status | ACTIVE |
| Connection Style | SOCKET BRAZING RING (TUBE) FIRST END |
| Connection Style | PLAIN (TUBE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.042 INCHES FIRST END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.134 INCHES SECOND END IN |
| Nominal Overall Length | 1.625 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 1.900 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.540 INCHES FIRST END IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 218.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| FIGURE5157-SIZE CODE294 PRIMARY | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
NSN 4730-01-037-8316 is a Reducer,tube, manufactured by Flagg Stanley G & Co Inc Dba Flagg Brass, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-037-8316 has 1 manufacturer part number on file: FIGURE5157-SIZE CODE294 (Flagg Stanley G & Co Inc Dba Flagg Brass).
Key specifications for FIGURE5157-SIZE CODE294: Connection Style: SOCKET BRAZING RING (TUBE) FIRST END; Connection Style: PLAIN (TUBE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.042 INCHES FIRST END IN; Tubing Wall Nominal Thickness for Which Designed: 0.134 INCHES SECOND END IN. 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.