The Ball,check, cataloged under National Stock Number 4820-01-547-2903, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Inc. Government technical data includes 5 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-547-2903 |
| Primary Part Number | 33057 |
| Item Name | Ball,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Material | STEEL |
| Pressure Class | ERR-060 |
| Valve Model Number for Which Designed | SWB718-08 |
| Valve Size for Which Designed | 1.500 INCHES IN |
| Valve Design Control Activity | 63220 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 46287A2 ITEM 2 | Flowserve Inc (USA) |
| 33057 PRIMARY | Flowserve Inc (USA) |
NSN 4820-01-547-2903 is a Ball,check, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-547-2903 has 2 cross-referenced part numbers: 46287A2 ITEM 2 (Flowserve Inc), 33057 (Flowserve Inc).
There are 10 known substitutes for 4820-01-547-2903: 2920-00-309-9096, 3020-01-233-8096, 3020-01-234-3421 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 33057: End Item Identification: NEW CONSTRUCTION LHD8; Part Name Assigned by Controlling Agency: BALL; Material: STEEL; Pressure Class: ERR-060. 8 total characteristics are documented in the Federal Logistics Information System.