The Cup,oil,lubricating, cataloged under National Stock Number 4730-00-174-4521, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Bowen Products Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-174-4521 |
| Primary Part Number | 54SIZE3 |
| Item Name | Cup,oil,lubricating |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Bowen Products Corp |
| Status | ACTIVE |
| Screw Thread Series Designator | NPT |
| Width Across Flats | 0.038 INCHES NOMINAL IN |
| Nominal Thread Size | 0.125 INCHES IN |
| Assembly Clearance Radius | 0.266 INCHES NOMINAL IN |
| Height | 0.562 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Surface Treatment | NICKEL OVERALL |
| Style Designator | STRAIGHT, W/BALL CHECK |
| Shank Length | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 54SIZE3 | Bowen Products Corp (USA) |
| A26726 | Koehring Co Lorain Div (USA) |
| A26726 | Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA) |
| D2677 | Koehring Co Lorain Div (USA) |
| 553 | Apache Corp Gits Bros Mfg Co (USA) |
| D2677 | Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA) |
| 00553-0170-1 | Apache Corp Gits Bros Mfg Co (USA) |
| STYLE54 | Bowen Products Corp (USA) |
NSN 4730-00-174-4521 is a Cup,oil,lubricating, manufactured by Bowen Products Corp, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-174-4521 has 8 cross-referenced part numbers: 54SIZE3 (Bowen Products Corp), A26726 (Koehring Co Lorain Div), A26726 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), D2677 (Koehring Co Lorain Div), 553 (Apache Corp Gits Bros Mfg Co) and 3 more.
There are 2 known substitutes for 4730-00-174-4521: 2040-01-113-8752, 2040-01-348-6675. Verify interchangeability with system specifications before substitution.
Key specifications for 54SIZE3: Screw Thread Series Designator: NPT; Width Across Flats: 0.038 INCHES NOMINAL IN; Nominal Thread Size: 0.125 INCHES IN; Assembly Clearance Radius: 0.266 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.