The Seat,valve, cataloged under National Stock Number 4810-00-727-2830, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-00-727-2830 |
| Primary Part Number | C5602-10 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 1.480 INCHES NOMINAL IN |
| Flange Diameter | 1.617 INCHES MINIMUM AND 1.619 INCHES MAXIMUM IN |
| Body Outside Diameter | 1.490 INCHES MINIMUM AND 1.492 INCHES MAXIMUM IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Body Stepped Inside Diameter | 0.865 INCHES MINIMUM AND 0.867 INCHES MAXIMUM FIRST STEP IN |
| Body Stepped Inside Diameter | 1.200 INCHES MINIMUM AND 1.205 INCHES MAXIMUM SECOND STEP IN |
| Body Stepped Inside Diameter | 1.305 INCHES MINIMUM AND 1.307 INCHES MAXIMUM THIRD STEP IN |
| Style Designator | PLAIN FLANGED |
| Surface Treatment | PASSIVATE OVERALL |
| Under Flange Height | 0.224 INCHES NOMINAL IN |
| Material | STEEL COMP 416 OVERALL |
| 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 |
|---|---|
| C5602-10 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| C5602-10 | 5/9 Secondary reference U.S. Government activity |
NSN 4810-00-727-2830 is a Seat,valve, manufactured by Tactair Fluid Controls Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-727-2830 has 1 manufacturer part number on file: C5602-10 (Tactair Fluid Controls Inc).
Key specifications for C5602-10: Flange Seat to Disk End Height: 1.480 INCHES NOMINAL IN; Flange Diameter: 1.617 INCHES MINIMUM AND 1.619 INCHES MAXIMUM IN; Body Outside Diameter: 1.490 INCHES MINIMUM AND 1.492 INCHES MAXIMUM IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL. 12 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.