The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-561-6977, 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 Beswick Engineering Co Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-561-6977 |
| Primary Part Number | MPAH-4012 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Beswick Engineering Co Inc |
| Status | ACTIVE |
| Connection Style | BARBED OR BEADED (HOSE) SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT 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 |
|---|---|
| MPAH-4012 PRIMARY | Beswick Engineering Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 102775 | 7/2 Vendor item drawing reference Dh Instruments Inc. |
NSN 4730-01-561-6977 is a Adapter,straight,pipe to Tube, manufactured by Beswick Engineering Co Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-561-6977 has 1 manufacturer part number on file: MPAH-4012 (Beswick Engineering Co Inc).
Key specifications for MPAH-4012: Connection Style: BARBED OR BEADED (HOSE) SECOND END; Connection Type: UNTHREADED EXTERNAL TUBE SECOND END; Connection Type: THREADED EXTERNAL PIPE FIRST END; Nominal Thread Size: 0.250 INCHES FIRST END IN. 6 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.