The Seat,valve, cataloged under National Stock Number 4820-01-225-6898, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-225-6898 |
| Primary Part Number | 49925B |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Griswold Industries Dba Cla-Val Co |
| Status | ACTIVE |
| Body Inside Diameter | 8.000 INCHES NOMINAL IN |
| Body Outside Diameter | 14.380 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Style Designator | PLAIN |
| Material Document and Classification | MIL-I-17166 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | IRON OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 49925B PRIMARY | Griswold Industries Dba Cla-Val Co (USA) |
| 49879 PIECE 1 | Griswold Industries Dba Cla-Val Co (USA) |
| 49879 | Griswold Industries Dba Cla-Val Co (USA) |
| 49925 | Griswold Industries Dba Cla-Val Co (USA) |
NSN 4820-01-225-6898 is a Seat,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-225-6898 has 4 cross-referenced part numbers: 49925B (Griswold Industries Dba Cla-Val Co), 49879 PIECE 1 (Griswold Industries Dba Cla-Val Co), 49879 (Griswold Industries Dba Cla-Val Co), 49925 (Griswold Industries Dba Cla-Val Co).
There are 6 known substitutes for 4820-01-225-6898: 5330-01-225-6884, 4810-01-225-6918, 4810-01-225-6930 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 49925B: Body Inside Diameter: 8.000 INCHES NOMINAL IN; Body Outside Diameter: 14.380 INCHES NOMINAL IN; End Item Identification: CLA-VAL CO BALLAST VALVE MODEL NO. 2403M,SIZE 8 IN. IN; Seating Surface Shape: FLAT. 7 total characteristics are documented in the Federal Logistics Information System.