The Piston, cataloged under National Stock Number 2825-00-317-4563, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Piston |
| FSC / FSG | 2825 — Steam Turbines and Components (FSG 28) |
| Manufacturers | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp (CAGE 30828) |
| Parameter | Value |
|---|---|
| NSN | 2825-00-317-4563 |
| Primary Part Number | KMC-60-284PC401 |
| Item Name | Piston |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| KMC-60-284PC401 | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| 60-64PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-686PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-506PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-284PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-531PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-467PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-671PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-306PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-178PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-284-401 | 5/9 Secondary reference Euramco Safety Inc |
| 60-521PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-457PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-346PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-401PC401 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 64-401 | 3/9 Design control — primary reference Hardie-Tynes Co., Inc. |
NSN 2825-00-317-4563 is a Piston, manufactured by Krobach Mfg. Corp. Dba Krobach Manufacturing Corp, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-317-4563 has 1 manufacturer part number on file: KMC-60-284PC401 (Krobach Mfg. Corp. Dba Krobach Manufacturing Corp).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-297-0035. Verify interchangeability with system specifications before substitution.
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.