The Ring, cataloged under National Stock Number 2825-01-145-9301, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Krobach Mfg. Corp. Dba Krobach Manufacturing Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-01-145-9301 |
| Primary Part Number | KMC-B55249-2 |
| Item Name | Ring |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp |
| Status | ACTIVE |
| General Characteristics Item Description | COPPER ALLOY MIL-C-15345 ALLOY 7,O/A LG 1.125 IN.,OD 9.498 IN MIN 9.500IN. MAX,ID 6.765 IN. MIN 6.767 IN. MA X IN |
| 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 |
|---|---|
| H2754 PIECE 17 | Siemens Energy, Inc. (USA) |
| GJ-141ARX1 | Siemens Energy, Inc. (USA) |
| KMC-B55249-2 PRIMARY | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp (USA) |
| B-55249 PIECE 2 | Siemens Energy, Inc. (USA) |
| H-5107 PIECE 17 | Siemens Energy, Inc. (USA) |
NSN 2825-01-145-9301 is a Ring, manufactured by Krobach Mfg. Corp. Dba Krobach Manufacturing Corp, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-01-145-9301 has 5 manufacturer part numbers on file: H2754 PIECE 17 (Siemens Energy, Inc.), GJ-141ARX1 (Siemens Energy, Inc.), KMC-B55249-2 (Krobach Mfg. Corp. Dba Krobach Manufacturing Corp), B-55249 PIECE 2 (Siemens Energy, Inc.), H-5107 PIECE 17 (Siemens Energy, Inc.).
Key specifications for KMC-B55249-2: General Characteristics Item Description: COPPER ALLOY MIL-C-15345 ALLOY 7,O/A LG 1.125 IN.,OD 9.498 IN MIN 9.500IN. MAX,ID 6.765 IN. MIN 6.767 IN. MA X IN. 1 specification is 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.