The Seat,valve Adjusting Nut, cataloged under National Stock Number 2825-01-010-8537, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-01-010-8537 |
| Item Name | Seat,valve Adjusting Nut |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Status | ACTIVE |
| General Characteristics Item Description | ALLOY STEEL,2.875 IN. OD,30 DEG TAPERED SEAT 2.266 IN. MAJOR DIA,1.625 IN. MINOR DIA,1.625 ROD DIA,0.812 IN. H,32 RMS SURFACE ROUGHNESS ON SEATING SURFACES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 387B149H01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2825-01-010-8537 is a Seat,valve Adjusting Nut, classified under FSC 2825, Steam Turbines and Components. Status: active.
Key specifications for 2825-01-010-8537: General Characteristics Item Description: ALLOY STEEL,2.875 IN. OD,30 DEG TAPERED SEAT 2.266 IN. MAJOR DIA,1.625 IN. MINOR DIA,1.625 ROD DIA,0.812 IN. H,32 RMS SURFACE ROUGHNESS ON SEATING SURFACES 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.