The Adapter,straight,flange to Hose, cataloged under National Stock Number 4730-00-322-6878, 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 Naval Sea Systems Command. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-322-6878 |
| Primary Part Number | 568-4805-1438138ALTAPCF21 |
| Item Name | Adapter,straight,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | SOCKET (HOSE) SECOND END |
| Bolt Circle Nominal Diameter | 7.125 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 4.000 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 4.719 INCHES SECOND END IN |
| Connection Type | UNTHREADED INTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | MIL-C-15345 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Bolt Hole Nominal Diameter | 0.812 INCHES FIRST END IN |
| Nominal Outside Diameter | 8.688 INCHES FIRST END IN |
| Bolt Hole Quantity | 5 FIRST END |
| Material | ALUMINUM ALLOY SOCKET |
| Material | GUNMETAL OVERALL |
| Nominal Thickness | 0.875 INCHES FIRST 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 |
|---|---|
| 568-4805-1438138ALTAPCF21 PRIMARY | Naval Sea Systems Command (USA) |
| 563-209-1435276PCF3 | Naval Sea Systems Command (USA) |
| 572-48-5-14157--ALTEPCF44FITTING PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 392-5901-1437892ALTAPCF4FITTING | 3/2 Design control — primary reference U.S. Government activity |
| 574-4805-811045REVHPCF109 | 5/9 Secondary reference U.S. Government activity |
| 244-4805-1480337PCF5 | 3/2 Design control — primary reference U.S. Government activity |
| 563-209-1435276PCF3 | 5/9 Secondary reference U.S. Government activity |
| 1385783 | D/9 Drawing number reference only U.S. Government activity |
| 572-4805-1415700ALTEPCF44FITTING | 5/9 Secondary reference U.S. Government activity |
| 343-4800-1509570REVAPCF11 | 5/2 Secondary reference U.S. Government activity |
| 240-4805-1035416REVAPCF4 | 3/2 Design control — primary reference U.S. Government activity |
| 5000S4823-1385783PC2-5-7-9 | 3/2 Design control — primary reference U.S. Government activity |
| 574-4805-811057REVGPCF84 | 5/9 Secondary reference U.S. Government activity |
| 574-5901-811241REVBPCF3FITTING | 5/9 Secondary reference U.S. Government activity |
| 568-4805-1438138ALTAPCF21 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-322-6878 is a Adapter,straight,flange to Hose, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-322-6878 has 3 manufacturer part numbers on file: 568-4805-1438138ALTAPCF21 (Naval Sea Systems Command), 563-209-1435276PCF3 (Naval Sea Systems Command), 572-48-5-14157--ALTEPCF44FITTING (Naval Sea Systems Command).
Key specifications for 568-4805-1438138ALTAPCF21: Flange Shape: ROUND WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Connection Style: SOCKET (HOSE) SECOND END; Bolt Circle Nominal Diameter: 7.125 INCHES FIRST END IN. 15 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.