The Disk,valve, cataloged under National Stock Number 4810-01-149-1709, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-149-1709 |
| Primary Part Number | 74A831184-2003 |
| Item Name | Disk,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Outside Diameter | 1.885 INCHES NOMINAL IN |
| Style Designator | BUTTERFLY |
| Material Thickness | 0.067 INCHES NOMINAL IN |
| Bolt Circle Diameter | 0.823 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 74A831184-2003 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| 74A831184-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 74A831184 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 10109187 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4810-01-149-1709 is a Disk,valve, manufactured by The Boeing Company Div Defense, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-149-1709 has 2 manufacturer part numbers on file: 74A831184-2003 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 74A831184-2003 (The Boeing Company Div Defense).
Key specifications for 74A831184-2003: Outside Diameter: 1.885 INCHES NOMINAL IN; Style Designator: BUTTERFLY; Material Thickness: 0.067 INCHES NOMINAL IN; Bolt Circle Diameter: 0.823 INCHES NOMINAL IN. 5 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.