The Adapter,straight,hose to Boss, cataloged under National Stock Number 4730-01-199-4227, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-199-4227 |
| Primary Part Number | EF-SM1602C-0812 |
| Item Name | Adapter,straight,hose to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Connection Style | GRIPPING NIPPLE (NOSE) FIRST END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.500 INCHES FIRST END IN |
| Nominal Outside Diameter Hose Accommodated | 0.970 INCHES FIRST END IN |
| Nominal Overall Length | 5.490 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING FIRST END |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.750 INCHES SECOND END IN |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UN SECOND END |
| 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 |
|---|---|
| EF-SM1602C-0812 PRIMARY | Hydrasearch Company, Llc (USA) |
| 41-190885-1/2-12 PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 41-190885-1/2-12 | 3/9 Design control — primary reference Danfoss Power Solutions II, Llc |
| 41-190885-1-2-1 | C/1 Advisory reference — outside the item-of-supply concept Danfoss Power Solutions II, Llc |
| FH9084-0812-41 | 5/9 Secondary reference Eaton-Aeroquip Inc. |
| CMC-4-5603 | 5/9 Secondary reference Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc |
| FH9084-0812-41 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
NSN 4730-01-199-4227 is a Adapter,straight,hose to Boss, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-199-4227 has 2 manufacturer part numbers on file: EF-SM1602C-0812 (Hydrasearch Company, Llc), 41-190885-1/2-12 (Hydrasearch Company, Llc).
Key specifications for EF-SM1602C-0812: Connection Style: GRIPPING NIPPLE (NOSE) FIRST END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Nominal Inside Diameter Hose Accommodated: 0.500 INCHES FIRST END IN; Nominal Outside Diameter Hose Accommodated: 0.970 INCHES FIRST END IN. 14 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.