The Stem,fluid Valve, cataloged under National Stock Number 4820-01-377-6648, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-377-6648 |
| Primary Part Number | 81661 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| Status | ACTIVE |
| Valve Size for Which Designed | 6.000 INCHES IN |
| Valve Type for Which Designed | BUTTERFLY |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 81661 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
| 81438 ITEM 10 | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
NSN 4820-01-377-6648 is a Stem,fluid Valve, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-377-6648 has 2 cross-referenced part numbers: 81661 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 81438 ITEM 10 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).
There are 3 known substitutes for 4820-01-377-6648: 4820-00-138-1833, 6145-01-212-0270, 5120-01-367-3378. Verify interchangeability with system specifications before substitution.
Key specifications for 81661: Valve Size for Which Designed: 6.000 INCHES IN; Valve Type for Which Designed: BUTTERFLY; Material: STEEL CORROSION RESISTING. 3 total characteristics are documented in the Federal Logistics Information System.