The Ring,wiper, cataloged under National Stock Number 5330-00-301-4772, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-301-4772 |
| Primary Part Number | I557L |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Outer Edge Thickness | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | OUTSIDE GROOVED, STRAIGHT FACE |
| Outside Diameter | 2.501 INCHES NOMINAL IN |
| Material Thickness | 0.438 INCHES NOMINAL IN |
| Inside Diameter | 2.194 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Material | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| G17010PC278 | Siemens Energy, Inc. (USA) |
| I557L PRIMARY | Siemens Energy, Inc. (USA) |
| G8424PC248 | Siemens Energy, Inc. (USA) |
| CS4320-0006 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| G10228PC247 | Siemens Energy, Inc. (USA) |
| G16836PC278 | Siemens Energy, Inc. (USA) |
| G10246PC247 | Siemens Energy, Inc. (USA) |
| G9004PC247 | Siemens Energy, Inc. (USA) |
| G8659PC247 | Siemens Energy, Inc. (USA) |
| G9002PC248 | Siemens Energy, Inc. (USA) |
NSN 5330-00-301-4772 is a Ring,wiper, manufactured by Siemens Energy, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-301-4772 has 10 manufacturer part numbers on file: G17010PC278 (Siemens Energy, Inc.), I557L (Siemens Energy, Inc.), G8424PC248 (Siemens Energy, Inc.), CS4320-0006 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), G10228PC247 (Siemens Energy, Inc.) and 5 more.
Key specifications for I557L: Outer Edge Thickness: 0.188 INCHES NOMINAL IN; Material Document and Classification: UNABLE TO DECODE; Cross-Sectional Shape Style: OUTSIDE GROOVED, STRAIGHT FACE; Outside Diameter: 2.501 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.