The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-108-4603, 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 Stitchweld Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-108-4603 |
| Primary Part Number | 778025-01 |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Stitchweld Corp |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 1.500 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Thread Size | 0.625 INCHES SECOND END IN |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Thread Class | 3A SECOND END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT FIRST END |
| Thread Series Designator | UNF 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 |
|---|---|
| 778025-01 PRIMARY | Stitchweld Corp (USA) |
| Reference | Meaning |
|---|---|
| 778025-01 | 5/9 Secondary reference U.S. Government activity |
| 778025-01 | 5/9 Secondary reference Air Armament Center/ En |
NSN 4730-01-108-4603 is a Adapter,straight,pipe to Boss, manufactured by Stitchweld Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-108-4603 has 1 manufacturer part number on file: 778025-01 (Stitchweld Corp).
Key specifications for 778025-01: Connection Style: PLAIN (PIPE) FIRST END; Nominal Overall Length: 1.500 INCHES IN; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END. 10 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.