The Valve,check, cataloged under National Stock Number 4820-01-231-6993, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-231-6993 |
| Primary Part Number | BK-5961 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash |
| Status | ACTIVE |
| Media for Which Designed | AIR THIRD RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | WATER, FRESH FIRST RESPONSE |
| Flow Control Device | DISK |
| Media for Which Designed | WATER, SALT SECOND RESPONSE |
| Style Designator | STRAIGHT THRU |
| Mounting Position | HORIZONTAL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AA-514 PIECE 23 | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| K-5961 | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| AA-514 | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| W428 1-1/4 | The Walworth Company (USA) |
| BK-5961 PRIMARY | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| 3301749 | Naval Ship Systems Command (USA) |
NSN 4820-01-231-6993 is a Valve,check, manufactured by Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-231-6993 has 6 cross-referenced part numbers: AA-514 PIECE 23 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash), K-5961 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash), AA-514 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash), W428 1-1/4 (The Walworth Company), BK-5961 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash) and 1 more.
There are 2 known substitutes for 4820-01-231-6993: 5325-00-174-5322, 4820-01-231-6989. Verify interchangeability with system specifications before substitution.
Key specifications for BK-5961: Media for Which Designed: AIR THIRD RESPONSE; Valve Operation Method: AUTOMATIC; Material: COPPER ALLOY BODY; Media for Which Designed: WATER, FRESH FIRST RESPONSE. 9 total characteristics are documented in the Federal Logistics Information System.