The Caulking,nozzle Block, cataloged under National Stock Number 2825-01-494-2713, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-01-494-2713 |
| Item Name | Caulking,nozzle Block |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL, ASTM A276, TYPE 410 COND A WITH A MAX BRINELL HARDNESS NUMBER OF 200; ALT MATERIAL, ANNEAL 10705AG TO 200 BRINELL HARDNESS MAX. |
| Functional Description | A WEDGE FIT PIECE TO KEEP THE NOZZLE BLOCK IN POSITION |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6511E91FN11 | 5/2 Secondary reference U.S. Government activity |
| 5D87496-001 | 3/2 Design control — primary reference U.S. Government activity |
| 6511E91 | D/9 Drawing number reference only U.S. Government activity |
| 5D87496 | D/9 Drawing number reference only U.S. Government activity |
NSN 2825-01-494-2713 is a Caulking,nozzle Block, classified under FSC 2825, Steam Turbines and Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-494-4236, 4820-01-494-4251. Verify interchangeability with system specifications before substitution.
Key specifications for 2825-01-494-2713: Overall Height: 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN; General Characteristics Item Description: MATERIAL, ASTM A276, TYPE 410 COND A WITH A MAX BRINELL HARDNESS NUMBER OF 200; ALT MATERIAL, ANNEAL 10705AG TO 200 BRINELL HARDNESS MAX.; Overall Length: 4.400 INCHES MINIMUM AND 4.600 INCHES MAXIMUM IN; Overall Width: 0.541 INCHES MINIMUM AND 0.549 INCHES MAXIMUM IN. 3 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.
NSN 2825-01-494-2713 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.