The Piston,valve, cataloged under National Stock Number 4810-01-387-8974, is classified within Federal Supply Class 4810 (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 4 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-387-8974 |
| Primary Part Number | 81441 ITEM 5 |
| Item Name | Piston,valve |
| FSC / FSG | 4810 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Valve Size for Which Designed | 0.750 INCHES IN |
| Outside Diameter | 6.000 INCHES NOMINAL IN |
| Valve Type for Which Designed | DIRECTIONAL CONTROL LINEAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 81444 | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
| 81441 ITEM 5 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
NSN 4810-01-387-8974 is a Piston,valve, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4810 (No Item Name Available). Status: active.
NSN 4810-01-387-8974 has 2 cross-referenced part numbers: 81444 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 81441 ITEM 5 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).
There are 2 known substitutes for 4810-01-387-8974: 5930-00-548-5505, 5930-01-177-5236. Verify interchangeability with system specifications before substitution.
Key specifications for 81441 ITEM 5: Material: STEEL CORROSION RESISTING; Valve Size for Which Designed: 0.750 INCHES IN; Overall Length: 2.820 INCHES NOMINAL IN; Outside Diameter: 6.000 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.