The Retainer,disk,valve, cataloged under National Stock Number 4820-01-244-2559, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-244-2559 |
| Primary Part Number | 7795-6IN PIECE 11 STOP CHECK |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Material Document and Classification | ASTM A182,GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7795 | William E Williams Valve Corp (USA) |
| 7795-6IN PIECE 11 STOP CHECK PRIMARY | William E Williams Valve Corp (USA) |
NSN 4820-01-244-2559 is a Retainer,disk,valve, manufactured by William E Williams Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-244-2559 has 2 cross-referenced part numbers: 7795 (William E Williams Valve Corp), 7795-6IN PIECE 11 STOP CHECK (William E Williams Valve Corp).
There are 9 known substitutes for 4820-01-244-2559: 3439-01-009-6448, 5998-01-077-6136, 6625-01-098-3319 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7795-6IN PIECE 11 STOP CHECK: Material Document and Classification: ASTM A182,GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL; Special Features: EXTERNAL THREADS UNDER FLANGE. 3 total characteristics are documented in the Federal Logistics Information System.