The Valve,check, cataloged under National Stock Number 4820-00-135-5470, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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 | 4820-00-135-5470 |
| Primary Part Number | 2680210 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker Hannifin Corporation Div Aerospace Group Headquarters |
| Status | ACTIVE |
| Thread Quantity Per Inch | 18 SECOND END |
| Connection Style | FLARELESS SECOND END |
| Thread Quantity Per Inch | 14 FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Series Designator | UNF FIRST END |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Connection Style | FLARED (TUBE) FIRST END |
| Flow Control Device | POPPET |
| Seat Angle | 12.0 DEGREES SECOND END |
| Thread Class | 3A FIRST END A |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Series Designator | UNF SECOND END |
| Style Designator | STRAIGHT THRU |
| Thread Class | 3A SECOND END A |
| Thread Direction | RIGHT-HAND FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21633 | Tech Aero Inc (USA) |
| 2680210 PRIMARY | Parker Hannifin Corporation Div Aerospace Group Headquarters (USA) |
| 10-30440-1 | The Boeing Company Div Defense (USA) |
| K1120-6-2 PRIMARY | Essex Industries, Inc. Dba Essex Industries (USA) |
NSN 4820-00-135-5470 is a Valve,check, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-135-5470 has 4 cross-referenced part numbers: 21633 (Tech Aero Inc), 2680210 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 10-30440-1 (The Boeing Company Div Defense), K1120-6-2 (Essex Industries, Inc. Dba Essex Industries).
There are 10 known substitutes for 4820-00-135-5470: 5310-00-011-4618, 3110-00-101-1004, 5330-00-285-1332 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2680210: Thread Quantity Per Inch: 18 SECOND END; Connection Style: FLARELESS SECOND END; Thread Quantity Per Inch: 14 FIRST END; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN. 18 total characteristics are documented in the Federal Logistics Information System.