The Seat,valve, cataloged under National Stock Number 4810-01-281-8500, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-01-281-8500 |
| Primary Part Number | 2853470-101 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.164 INCHES NOMINAL IN |
| Flange Diameter | 0.623 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625,TYPEII,CLASS I MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Body Outside Diameter | 0.560 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Body Inside Diameter | 0.343 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE BODY |
| Under Flange Height | 0.153 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 BODY |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 2853470-101 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| 2853470-101 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4810-01-281-8500 is a Seat,valve, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-281-8500 has 1 manufacturer part number on file: 2853470-101 (Parker-Hannifin Corporation Dba Pneutronics).
Key specifications for 2853470-101: Flange Seat to Disk End Height: 0.164 INCHES NOMINAL IN; Flange Diameter: 0.623 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TYPEII,CLASS I MIL SPEC SINGLE TREATMENT RESPONSE BODY; Body Outside Diameter: 0.560 INCHES NOMINAL IN. 11 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.