The Fitting,lubrication, cataloged under National Stock Number 4730-01-031-7105, 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 7 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-031-7105 |
| Item Name | Fitting,lubrication |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Shank Length | 0.188 INCHES NOMINAL IN |
| Style Designator | STRAIGHT |
| Nominal Thread Size | 0.250 INCHES IN |
| Height | 0.531 INCHES NOMINAL IN |
| Screw Thread Series Designator | NPT |
| 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 |
|---|---|
| PL501E456AFPC21 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 101A785AAP4 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 101A785AA P4 | 3/9 Design control — primary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| 101A785AA-4 | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Naval and Drive Turbine Systems Dept |
| 101A785AA P4 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| PL501E456AFPC21 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
NSN 4730-01-031-7105 is a Fitting,lubrication, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-031-7105: Width Across Flats: 0.312 INCHES NOMINAL IN; Shank Length: 0.188 INCHES NOMINAL IN; Style Designator: STRAIGHT; Nominal Thread Size: 0.250 INCHES IN. 7 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.