The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-625-2995, 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 Northrop Grumman Systems Corp Integrated Systems Sector. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-625-2995 |
| Primary Part Number | NGF503GM1 |
| Item Name | Adapter,straight,pipe to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corp Integrated Systems Sector |
| Status | ACTIVE |
| Flange Shape | HEXAGON SECOND END |
| Nominal Width Across Flats | 0.6875 INCHES SECOND END IN |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Connection Style | GASKET SEAL (HOSE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Overall Length | 1.032 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL HOSE SECOND END |
| Style Designator | FLARED AND FLARELESS W/ CENTER WRENCHING FACILITY |
| Material Document and Classification | QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.4375 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.4375 INCHES FIRST END IN |
| Nominal Thread Size | 0.4375 INCHES SECOND END IN |
| Specification/standard Data | 1SFN4-NGF503GM MANUFACTURERS STANDARD |
| Surface Treatment | ANODIZE BODY |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | ALUMINUM ALLOY 2024 BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Nominal Thickness | 0.15 INCHES SECOND END IN |
| 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 |
|---|---|
| NGF503GM1 | Northrop Grumman Systems Corp Integrated Systems Sector (USA) |
| Reference | Meaning |
|---|---|
| 4710231-0404 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-625-2995 is a Adapter,straight,pipe to Hose, manufactured by Northrop Grumman Systems Corp Integrated Systems Sector, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-625-2995 has 1 manufacturer part number on file: NGF503GM1 (Northrop Grumman Systems Corp Integrated Systems Sector).
Key specifications for NGF503GM1: Flange Shape: HEXAGON SECOND END; Nominal Width Across Flats: 0.6875 INCHES SECOND END IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Connection Style: GASKET SEAL (HOSE) SECOND END. 24 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.