The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-705-7991, 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 Berg Manufacturing, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-705-7991 |
| Primary Part Number | 5-13-10723-2 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Berg Manufacturing, Inc. |
| Status | ACTIVE |
| Nominal Width Across Flats | 1.000 INCHES CENTER BULKHEAD IN |
| Connection Style | PLAIN (HOSE) FIRST END |
| Connection Style | PLAIN (TUBE) SECOND END |
| Nominal Overall Length | 1.310 INCHES IN |
| Connection Type | THREADED EXTERNAL HOSE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Style Designator | CENTER WRENCHING FACILITY |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.630 INCHES SECOND END IN |
| Thread Quantity Per Inch | 14 FIRST END |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | UNF FIRST 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 |
|---|---|
| 5-13-10723-2 PRIMARY | Berg Manufacturing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5-13-10723 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-705-7991 is a Adapter,straight,pipe to Tube, manufactured by Berg Manufacturing, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-705-7991 has 1 manufacturer part number on file: 5-13-10723-2 (Berg Manufacturing, Inc.).
Key specifications for 5-13-10723-2: Nominal Width Across Flats: 1.000 INCHES CENTER BULKHEAD IN; Connection Style: PLAIN (HOSE) FIRST END; Connection Style: PLAIN (TUBE) SECOND END; Nominal Overall Length: 1.310 INCHES IN. 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.