The Adapter,straight,flange to Hose, cataloged under National Stock Number 4730-00-028-7017, 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 Hydrasearch Company, Llc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 40 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-028-7017 |
| Primary Part Number | 66-190016-1-24 |
| Item Name | Adapter,straight,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Furnished Items and Quantity | 1 SEGMENTED HOSE SOCKET ASSEMBLY |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Bolt Circle Nominal Diameter | 3.120 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 1.380 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 1.750 INCHES SECOND END IN |
| Nominal Overall Length | 2.920 INCHES IN |
| Bolt Hole Nominal Diameter | 0.560 INCHES FIRST END IN |
| Nominal Outside Diameter | 4.250 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Material | COPPER ALLOY 903 FLANGE |
| Material | COPPER ALLOY SOCKET |
| Raised Face Nominal Diameter | 2.120 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.015 INCHES FIRST END IN |
| Nominal Thickness | 0.440 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 |
|---|---|
| 203977PC403 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 190016-1-24 | Hydrasearch Company, Llc (USA) |
| 509-16PCF11 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 66-190016-1-24 PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2972-46ALT3PC30FTG | 3/2 Design control — primary reference U.S. Government activity |
| 2972-234ALT1PC20FTG | 3/2 Design control — primary reference U.S. Government activity |
| 2972-56ALT3PC21FTG | 3/2 Design control — primary reference U.S. Government activity |
| 574-4805-811055REVFPCF36 | 5/9 Secondary reference U.S. Government activity |
| 568-5500-938299ALT1PC20FTG | 3/2 Design control — primary reference U.S. Government activity |
| 564-5500-938037PCF41FTG | 3/2 Design control — primary reference U.S. Government activity |
| 282-5801-801780REVCPCF164FTG3 | 3/2 Design control — primary reference U.S. Government activity |
| 576-5800-1504846REVAPCF9FITTING | 3/2 Design control — primary reference U.S. Government activity |
| 574-2200-811092REVBPCF28 | 5/9 Secondary reference U.S. Government activity |
| 2972-234ALT1PC21FTG | 3/2 Design control — primary reference U.S. Government activity |
| 4265-43REVAPCF9FITTING | 3/2 Design control — primary reference U.S. Government activity |
| 564-5500-938038ALT3PC20FTG | 3/2 Design control — primary reference U.S. Government activity |
| 564-4501-938029PCF15FTG | 3/2 Design control — primary reference U.S. Government activity |
| 564-4501-938029PCF16FTG | 3/2 Design control — primary reference U.S. Government activity |
| 4200-54REVAPC41FITTING | 3/2 Design control — primary reference U.S. Government activity |
| 564-5500-938037PCF54FTG | 3/2 Design control — primary reference U.S. Government activity |
| K1-5500-1001373PCF23FTG | 3/2 Design control — primary reference U.S. Government activity |
| 2972-46ALT3PC29FTG | 3/2 Design control — primary reference U.S. Government activity |
| 2300-794100ALTJPCTY3D1 | 3/2 Design control — primary reference U.S. Government activity |
| 3072-37PC3FTG | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-028-7017 is a Adapter,straight,flange to Hose, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-028-7017 has 4 manufacturer part numbers on file: 203977PC403 (Huntington Ingalls Inc Div Newport News Shipbuilding), 190016-1-24 (Hydrasearch Company, Llc), 509-16PCF11 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 66-190016-1-24 (Hydrasearch Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-500-6894. Verify interchangeability with system specifications before substitution.
Key specifications for 66-190016-1-24: Flange Shape: ROUND WITH HOLES FIRST END; Furnished Items and Quantity: 1 SEGMENTED HOSE SOCKET ASSEMBLY; Flange Face Design: RAISED STRAIGHT FIRST END; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END. 16 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.