The Coupling,tube, cataloged under National Stock Number 4730-01-294-1772, 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 Dcx-Chol Enterprises, Inc.. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-294-1772 |
| Primary Part Number | 208497-FB6400 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dcx-Chol Enterprises, Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYII,CLI FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | SWIVEL NUT, GASKET SEAL (TUBE) FIRST END |
| Nominal Overall Length | 1.920 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Style Designator | THREADED INTERNAL SWIVEL, THREADED INTERNAL RIGID |
| Material Document and Classification | C46400-THRU-C46700 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.625 INCHES FIRST END IN |
| Nominal Thread Size | 0.625 INCHES SECOND END IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2B FIRST END |
| Thread Class | 2B SECOND END |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNEF FIRST END |
| Thread Series Designator | UNEF SECOND END |
| 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 |
|---|---|
| TS1183 | Triumph Controls, Llc Dba Triumph Controls, Llc (USA) |
| 208497-FB6400 PRIMARY | Dcx-Chol Enterprises, Inc. (USA) |
| CRN2811 | Safran Electrical Components Usa, Inc Div Safran Electrical Components Usa (USA) |
| Reference | Meaning |
|---|---|
| 5262639 | 7/1 Vendor item drawing reference Naval Sea Systems Command |
| 4730PL0976593 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4730-01-294-1772 is a Coupling,tube, manufactured by Dcx-Chol Enterprises, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-294-1772 has 3 manufacturer part numbers on file: TS1183 (Triumph Controls, Llc Dba Triumph Controls, Llc), 208497-FB6400 (Dcx-Chol Enterprises, Inc.), CRN2811 (Safran Electrical Components Usa, Inc Div Safran Electrical Components Usa).
Key specifications for 208497-FB6400: Surface Treatment Document and Classification: QQ-P-416,TYII,CLI FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: SWIVEL NUT, GASKET SEAL (TUBE) FIRST END; Nominal Overall Length: 1.920 INCHES IN. 18 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.