The Ring,piston, cataloged under National Stock Number 2810-00-585-3547, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Parker-Hannifin Corporation Div Gas Turbine Fuel Systems. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-00-585-3547 |
| Primary Part Number | 1439-563407 |
| Item Name | Ring,piston |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Parker-Hannifin Corporation Div Gas Turbine Fuel Systems |
| Status | ACTIVE |
| FSC Application Data | FLOW REGULATOR,FUEL,ACFT |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.0350 INCHES MINIMUM AND 0.0400 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 1.250 INCHES IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1439-563407 PRIMARY | Parker-Hannifin Corporation Div Gas Turbine Fuel Systems (USA) |
| Reference | Meaning |
|---|---|
| 1439-563407 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
NSN 2810-00-585-3547 is a Ring,piston, manufactured by Parker-Hannifin Corporation Div Gas Turbine Fuel Systems, classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-00-585-3547 has 1 manufacturer part number on file: 1439-563407 (Parker-Hannifin Corporation Div Gas Turbine Fuel Systems).
Key specifications for 1439-563407: FSC Application Data: FLOW REGULATOR,FUEL,ACFT; Overall Width: 0.0630 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.