The Valve,plug, cataloged under National Stock Number 4820-00-155-8201, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Div Fluid and Electrical Distribution Division. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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 | 4820-00-155-8201 |
| Primary Part Number | A31 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Div Fluid and Electrical Distribution Division |
| Status | ACTIVE |
| Valve Operation Method | MANUAL |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Material | ALUMINUM ALLOY BODY |
| Thread Class | 2A FIRST END A |
| Thread Series Designator | UNF SECOND END |
| Material | ALUMINUM ALLOY BODY |
| Thread Class | 2B SECOND END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Material | STEEL FLOW CONTROL DEVICE |
| Thread Series Designator | UNF SECOND END |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Thread Series Designator | UN FIRST END |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Thread Series Designator | UN FIRST END |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Material | STEEL FLOW CONTROL DEVICE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A31 PRIMARY | Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA) |
NSN 4820-00-155-8201 is a Valve,plug, manufactured by Eaton Aerospace Llc Div Fluid and Electrical Distribution Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-155-8201 has 1 cross-referenced part number: A31 (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division).
There are 10 known substitutes for 4820-00-155-8201: 4710-00-065-5316, 4130-00-099-9502, 5120-00-156-9196 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for A31: Valve Operation Method: MANUAL; Nominal Thread Size: 0.375 INCHES SECOND END IN; Material: ALUMINUM ALLOY BODY; Thread Class: 2A FIRST END A. 18 total characteristics are documented in the Federal Logistics Information System.