The Valve,check, cataloged under National Stock Number 4820-01-344-0321, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-344-0321 |
| Primary Part Number | 4095 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Mounting Position | HORIZONTAL |
| Material | COPPER ALLOY 922 OR COPPER ALLOY 836 FLOW CONTROL DEVICE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Valve Size | 5.000 INCHES IN |
| Bolt Hole Nominal Diameter | 0.875 INCHES ALL ENDS IN |
| Face to Face Distance | 13.000 INCHES IN |
| Bolt Hole Quantity | 8 ALL ENDS |
| Nominal Outside Diameter | 10.000 INCHES ALL ENDS IN |
| Nominal Thickness | 0.750 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Flow Control Device | DISK |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Material | COPPER ALLOY 922 OR COPPER ALLOY 836 BODY |
| Bolt Circle Nominal Diameter | 8.500 INCHES ALL ENDS IN |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4095 PRIMARY | Hunt Valve Company, Inc. (USA) |
| B-1620-A 5.00 IN | Pima Valve, Llc (USA) |
NSN 4820-01-344-0321 is a Valve,check, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-344-0321 has 2 cross-referenced part numbers: 4095 (Hunt Valve Company, Inc.), B-1620-A 5.00 IN (Pima Valve, Llc).
There are 12 known substitutes for 4820-01-344-0321: 6240-00-196-4518, 5340-00-598-3469, 3120-00-754-4093 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4095: Mounting Position: HORIZONTAL; Material: COPPER ALLOY 922 OR COPPER ALLOY 836 FLOW CONTROL DEVICE; Flange Shape: ROUND WITH HOLES ALL ENDS; Valve Size: 5.000 INCHES IN. 16 total characteristics are documented in the Federal Logistics Information System.