The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-076-4648, 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 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-076-4648 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALLUNABLE TO DECODE |
| Bolt Circle Nominal Diameter | 1.750 INCHES SECOND END IN |
| Nominal Overall Length | 1.438 INCHES IN |
| Material Document and Classification | MIL-S-6758,COND E4 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-S-685,COND N FED SPEC SINGLE MATERIAL RESPONSE FLANGE |
| Material Document and Classification | QQ-S-685,COND N FED SPEC SINGLE MATERIAL RESPONSE FLANGEUNABLE TO DECODE |
| Bolt Hole Nominal Diameter | 0.163 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Nominal Outside Diameter | 2.375 INCHES SECOND END IN |
| Surface Treatment | CADMIUM OVERALLUNABLE TO DECODE |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF FIRST END |
| Raised Face Nominal Diameter | 0.125 INCHES SECOND END IN |
| Raised Face Nominal Height | 0.969 INCHES SECOND END IN |
| Nominal Thickness | 0.063 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 |
|---|---|
| 235-0134 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-01-076-4648 is a Adapter,straight,flange to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-076-4648: Flange Face Design: RAISED STRAIGHT SECOND END; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALLUNABLE TO DECODE; Bolt Circle Nominal Diameter: 1.750 INCHES SECOND END IN. 20 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.