The O-Ring, cataloged under National Stock Number 5331-00-851-2187, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-851-2187 |
| Primary Part Number | 2938-4 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| Cross-Sectional Height | 0.062 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2938-4 PRIMARY | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
NSN 5331-00-851-2187 is a O-Ring, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-851-2187 has 1 cross-referenced part number: 2938-4 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
There are 6 known substitutes for 5331-00-851-2187: 5133-00-228-1356, 5330-00-275-3443, 3443-01-054-6570 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2938-4: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.062 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.