The Valve,trip, cataloged under National Stock Number 2825-00-972-8887, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is General Electric Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-00-972-8887 |
| Primary Part Number | 645A961-1 |
| Item Name | Valve,trip |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL STEEL QQ-S-633-FS 1020 HK,9.250 IN. LG,0.812 IN. LARGEST OD,0.500-13NC CLASS 3FIT THD 2.000 IN. LG OPPOSITE END,0.497 IN. DIA BODY,0.125 IN. DIA HOLE DRILLED THRU BODY 5.188 IN. FROM THD END 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 |
|---|---|
| 645A961-1 PRIMARY | General Electric Company (USA) |
| 645A961PC1 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 645A961P1 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
NSN 2825-00-972-8887 is a Valve,trip, manufactured by General Electric Company, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-972-8887 has 2 manufacturer part numbers on file: 645A961-1 (General Electric Company), 645A961PC1 (General Electric Company).
Key specifications for 645A961-1: General Characteristics Item Description: MATERIAL STEEL QQ-S-633-FS 1020 HK,9.250 IN. LG,0.812 IN. LARGEST OD,0.500-13NC CLASS 3FIT THD 2.000 IN. LG OPPOSITE END,0.497 IN. DIA BODY,0.125 IN. DIA HOLE DRILLED THRU BODY 5.188 IN. FROM THD END 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.