The Nozzle,lubricating, cataloged under National Stock Number 4930-01-191-5957, is classified within Federal Supply Class 4930 (Lubrication and Fuel Dispensing Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4930-01-191-5957 |
| Primary Part Number | 241-5750451-5 |
| Item Name | Nozzle,lubricating |
| FSC / FSG | 4930 / 49 — Lubrication and Fuel Dispensing Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 0.186 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Supplementary Features | LOCATION: AFT-BRG.3 |
| Surface Treatment | OXIDE |
| Precious Material and Location | SILVER BRAZE FINISH PER MIL-B-7883, TYPE I, GRADE B SILVER |
| Material | STEEL CORROSION RESISTING |
| Thread Size and Series/type Designator | -2B UNF |
| 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 |
|---|---|
| 241-5750451-5 PRIMARY | Naval Sea Systems Command (USA) |
| 5750451-5 | Cincinnati Gearing Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 241-5750451-5 | C/1 Advisory reference — outside the item-of-supply concept Cincinnati Gearing Systems Inc |
| 5750451-5 | 3/9 Design control — primary reference The Cincinnati Gear Company Dba Power Transmission Systems |
| 241-5750451-5 | 5/9 Secondary reference The Cincinnati Gear Company Dba Power Transmission Systems |
NSN 4930-01-191-5957 is a Nozzle,lubricating, manufactured by Naval Sea Systems Command, classified under FSC 4930, Lubrication and Fuel Dispensing Equipment. Status: active.
NSN 4930-01-191-5957 has 2 manufacturer part numbers on file: 241-5750451-5 (Naval Sea Systems Command), 5750451-5 (Cincinnati Gearing Systems Inc).
Key specifications for 241-5750451-5: Overall Diameter: 0.186 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN; Precious Material: SILVER; Supplementary Features: LOCATION: AFT-BRG.3; Special Features: DISTANCE BETWEEN TAP DRILL HOLES X .55"-.65" DEEP, .250-2BUNF-2B X .37"-.41" DEEP, .26 DIAMETER X 80-100 DEGREES COUNTERSUNK: .813". 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.