The Cup,oil,lubricating, cataloged under National Stock Number 4730-01-123-3828, 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 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-123-3828 |
| Item Name | Cup,oil,lubricating |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Assembly Clearance Radius | 0.188 INCHES NOMINAL IN |
| Style Designator | STRAIGHT, SCREW CAP |
| Nominal Thread Size | 0.312 INCHES IN |
| Height | 0.500 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNEF |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2B |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| RS-541 | 5/9 Secondary reference Apache Corp Gits Bros Mfg Co |
| 3-1-1XL | D/9 Drawing number reference only The Hilliard Corp |
| 0158-1 00541 | 3/9 Design control — primary reference Apache Corp Gits Bros Mfg Co |
NSN 4730-01-123-3828 is a Cup,oil,lubricating, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3110-01-124-0208, 3010-01-124-3859. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-123-3828: Assembly Clearance Radius: 0.188 INCHES NOMINAL IN; Style Designator: STRAIGHT, SCREW CAP; Nominal Thread Size: 0.312 INCHES IN; Height: 0.500 INCHES NOMINAL IN. 8 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.