The Seat,check Valve, cataloged under National Stock Number 4820-00-657-3742, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Prosperity a Div of Ametek Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Seat,check Valve |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Prosperity a Div of Ametek Inc (CAGE 49200) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-657-3742 |
| Primary Part Number | 8753 |
| Item Name | Seat,check Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Prosperity a Div of Ametek Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8753 | Prosperity a Div of Ametek Inc (USA) |
NSN 4820-00-657-3742 is a Seat,check Valve, manufactured by Prosperity a Div of Ametek Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-657-3742 has 1 cross-referenced part number: 8753 (Prosperity a Div of Ametek Inc).
There are 5 known substitutes for 4820-00-657-3742: 6510-00-559-3163, 5905-00-858-3655, 7510-01-203-4664 and 2 more. Verify interchangeability with system specifications before substitution.