The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-428-9781, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nakakita Seisakusho 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-428-9781 |
| Primary Part Number | KC004554 PC-14 0 TO 100 DEG C |
| Item Name | Regulator,thermostatic Temperatu |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Nakakita Seisakusho Co. Ltd |
| Status | ACTIVE |
| Bulb Length | 200.0 MILLIMETERS NOMINAL MM |
| Bulb Diameter | 19.0 MILLIMETERS NOMINAL MM |
| Capillary Tube Length | 196.850 INCHES NOMINAL IN |
| Thermostat Type | BULB |
| Usage Design | AUTOMATIC CONTROLLER, TYPE TM732 |
| 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 |
|---|---|
| KC004554 PC-14 0 TO 100 DEG C PRIMARY | Nakakita Seisakusho Co. Ltd (JPN) |
| Reference | Meaning |
|---|---|
| KC004554 | D/9 Drawing number reference only Nakakita Seisakusho Co. Ltd |
| KC004554 PC-14 0 TO 100 DEG C | 3/9 Design control — primary reference Nakakita Seisakusho Co. Ltd |
NSN 4820-01-428-9781 is a Regulator,thermostatic Temperatu, manufactured by Nakakita Seisakusho Co. Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-428-9781 has 1 manufacturer part number on file: KC004554 PC-14 0 TO 100 DEG C (Nakakita Seisakusho Co. Ltd).
Key specifications for KC004554 PC-14 0 TO 100 DEG C: Bulb Length: 200.0 MILLIMETERS NOMINAL MM; Bulb Diameter: 19.0 MILLIMETERS NOMINAL MM; Capillary Tube Length: 196.850 INCHES NOMINAL IN; Thermostat Type: BULB. 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.