The Cup,oil,lubricating, cataloged under National Stock Number 4730-00-174-4520, 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 9 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-174-4520 |
| Item Name | Cup,oil,lubricating |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Assembly Clearance Radius | 1.219 INCHES NOMINAL IN |
| Style Designator | STRAIGHT, HINGED CAP |
| Nominal Thread Size | 0.250 INCHES IN |
| Oil Capacity | 1.344 FLUID OUNCES |
| Height | 2.500 INCHES NOMINAL IN |
| Screw Thread Series Designator | NPT |
| Surface Treatment | NICKEL OVERALL |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| A26749 | 3/9 Design control — primary reference Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co |
| 4B0357 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 4B357 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 01013-0297-1 | 5/9 Secondary reference Apache Corp Gits Bros Mfg Co |
| A26749 | 5/9 Secondary reference Koehring Co Lorain Div |
| 1013 | 5/9 Secondary reference Apache Corp Gits Bros Mfg Co |
NSN 4730-00-174-4520 is a Cup,oil,lubricating, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-174-4520: Assembly Clearance Radius: 1.219 INCHES NOMINAL IN; Style Designator: STRAIGHT, HINGED CAP; Nominal Thread Size: 0.250 INCHES IN; Oil Capacity: 1.344 FLUID OUNCES. 9 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.