The Stem,fluid Valve, cataloged under National Stock Number 4820-00-337-1001, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Siemens Energy, Inc.. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-337-1001 |
| Primary Part Number | G15281REV3PC53 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| G15281REV3PC53 PRIMARY | Siemens Energy, Inc. (USA) |
| G15282PC53 | Siemens Energy, Inc. (USA) |
| G15282REV2PC53 PRIMARY | Siemens Energy, Inc. (USA) |
| HC256BB PRIMARY | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S4101H3121819REV | 3/2 Design control — primary reference U.S. Government activity |
| H3121818REV3PC53 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-337-1001 is a Stem,fluid Valve, manufactured by Siemens Energy, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-337-1001 has 4 manufacturer part numbers on file: G15281REV3PC53 (Siemens Energy, Inc.), G15282PC53 (Siemens Energy, Inc.), G15282REV2PC53 (Siemens Energy, Inc.), HC256BB (Siemens Energy, Inc.).
Key specifications for G15281REV3PC53: End Item Identification: STEAM TURBINE,SHIPS PROPULSION SYSTEM. 0 specifications are 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.