The Valve,check, cataloged under National Stock Number 4820-01-113-7824, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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 | 4820-01-113-7824 |
| Primary Part Number | NS-3983 ASSEMBLYCL1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Nominal Pipe Size Accommodated | 1.000 INCHES FIRST END IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Disk Loading Method | WEIGHT |
| Connection Style | SOCKET (PIPE) FIRST END |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | AUTOMATIC |
| Criticality Code Justification | ZZZY |
| Mounting Position | HORIZONTAL |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NS-3983 ASSEMBLYCL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| NS-3983 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 2621-921-10 ASSEMBLEY IAL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2621-927-10 ASSYIAL1 | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 4820-01-113-7824 is a Valve,check, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-113-7824 has 4 cross-referenced part numbers: NS-3983 ASSEMBLYCL1 (Naval Inventory Control Point Mechanicsburg), NS-3983 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 2621-921-10 ASSEMBLEY IAL1 (Naval Inventory Control Point Mechanicsburg), 2621-927-10 ASSYIAL1 (Naval Inventory Control Point Mechanicsburg).
There are 9 known substitutes for 4820-01-113-7824: 4820-01-056-1591, 4820-01-063-3879, 4820-01-087-1336 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for NS-3983 ASSEMBLYCL1: Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Disk Loading Method: WEIGHT. 11 total characteristics are documented in the Federal Logistics Information System.