The Disk,valve, cataloged under National Stock Number 4820-00-191-9060, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kito Mfg Co. Ltd. Government technical data includes 5 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-191-9060 |
| Primary Part Number | 638242 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kito Mfg Co. Ltd |
| Status | ACTIVE |
| Shank Diameter | 1.200 INCHES NOMINAL IN |
| Flange Diameter | 1.200 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Seat Angle | 60.0 DEGREES NOMINAL |
| Material | STEEL |
| 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 |
|---|---|
| 638242 | Kito Mfg Co. Ltd (JPN) |
| Reference | Meaning |
|---|---|
| 638242 | 5/9 Secondary reference Age Logistics Corporation |
| 638242 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 638242 | 5/9 Secondary reference Kwik File Storage Systems Llc |
| 638242 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 638242 | 5/9 Secondary reference Kito Mfg Co. Ltd |
NSN 4820-00-191-9060 is a Disk,valve, manufactured by Kito Mfg Co. Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-191-9060 has 1 manufacturer part number on file: 638242 (Kito Mfg Co. Ltd).
Key specifications for 638242: Shank Diameter: 1.200 INCHES NOMINAL IN; Flange Diameter: 1.200 INCHES NOMINAL IN; Overall Height: 1.738 INCHES NOMINAL IN; Style Designator: POPPET. 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.