The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-190-5537, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-190-5537 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Nominal Pipe Size Accommodated | 4.000 INCHES FIRST END IN |
| Flange Face Design | PLAIN SECOND END |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Bolt Circle Nominal Diameter | 7.500 INCHES SECOND END IN |
| Nominal Overall Length | 6.000 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL PIPE FIRST END |
| Bolt Hole Nominal Diameter | 0.750 INCHES SECOND END IN |
| Nominal Outside Diameter | 9.000 INCHES SECOND END IN |
| Bolt Hole Quantity | 8 SECOND END |
| Nominal Thickness | 0.937 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 |
| Reference | Meaning |
|---|---|
| 41A4IN | 5/1 Secondary reference Victaulic Company of America Inc Dba Victaulic Company of America |
| M10388-A-02-AI-1-C-6A | 2/2 Government specification standardization U.S. Government activity |
| MIL-P-10388 | 4/1 Identification reference U.S. Government activity |
| 13225E9097-2 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-190-5537 is a Adapter,straight,flange to Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-190-5537: Flange Shape: ROUND WITH HOLES SECOND END; Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN; Flange Face Design: PLAIN SECOND END; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.