The Disk,valve, cataloged under National Stock Number 4810-01-041-2285, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-041-2285 |
| Primary Part Number | HP1263103-2 |
| Item Name | Disk,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Outside Diameter | 0.805 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Inside Diameter | 0.388 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| HP1263103-2 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HP1263103-2 | 5/9 Secondary reference U.S. Government activity |
| HP1263103 | D/9 Drawing number reference only U.S. Government activity |
NSN 4810-01-041-2285 is a Disk,valve, manufactured by Tactair Fluid Controls Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-041-2285 has 1 manufacturer part number on file: HP1263103-2 (Tactair Fluid Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-041-4984. Verify interchangeability with system specifications before substitution.
Key specifications for HP1263103-2: Overall Height: 0.123 INCHES NOMINAL IN; Outside Diameter: 0.805 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.388 INCHES NOMINAL IN. 4 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.