The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-146-3108, 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 23 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-146-3108 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Furnished Items and Quantity | 4 BOLT AND 1 PREFORMED PACKING AND 4 FLAT WASHER |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST END IN |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Connection Style | SOCKET (PIPE) FIRST END |
| Nominal Length | 5.750 INCHES SECOND END IN |
| Nominal Overall Length | 3.250 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | FLANGE SECOND END |
| Material Document and Classification | UNABLE TO DECODE |
| Material Document and Classification | QQ-S-763,CL 304,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.781 INCHES SECOND END IN |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 4.000 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 40S FIRST END |
| Nominal Width | 5.750 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 4.000 INCHES SECOND END IN |
| Media for Which Designed | WATER SINGLE RESPONSE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Raised Face Nominal Diameter | 2.998 INCHES SECOND END IN |
| Raised Face Nominal Height | 0.126 INCHES SECOND END IN |
| Nominal Thickness | 2.080 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 |
|---|---|
| 2621-228-02 | D/9 Drawing number reference only U.S. Government activity |
| 845-4687676 ASSY 129 | 3/2 Design control — primary reference U.S. Government activity |
| 12-97-0156 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 845-4687676 | D/9 Drawing number reference only U.S. Government activity |
| 2621-228-02 ASSY 129 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-146-3108 is a Adapter,straight,flange to Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-146-3108: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Furnished Items and Quantity: 4 BOLT AND 1 PREFORMED PACKING AND 4 FLAT WASHER; Nominal Pipe Size Accommodated: 1.500 INCHES FIRST END IN; Flange Face Design: RAISED STRAIGHT SECOND END. 23 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.