The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-706-9739, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Heinen & Hopman Engineering B.v.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-706-9739 |
| Primary Part Number | P990055234 |
| Item Name | Regulator,thermostatic Temperatu |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Heinen & Hopman Engineering B.v. |
| Status | ACTIVE |
| Largest Outside Diameter | 50.0 MILLIMETERS NOMINAL MM |
| Mounting Method | THREADED |
| Thermostat Type | WAX PELLET |
| Usage Design | RADIATOR |
| 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 |
|---|---|
| P990055234 | Heinen & Hopman Engineering B.v. (NLD) |
| T100M-364F | Honeywell B.v. (NLD) |
| Reference | Meaning |
|---|---|
| T100M-364F | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-706-9739 is a Regulator,thermostatic Temperatu, manufactured by Heinen & Hopman Engineering B.v., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-706-9739 has 2 manufacturer part numbers on file: P990055234 (Heinen & Hopman Engineering B.v.), T100M-364F (Honeywell B.v.).
Key specifications for P990055234: Overall Height: 77.0 MILLIMETERS NOMINAL MM; Largest Outside Diameter: 50.0 MILLIMETERS NOMINAL MM; Mounting Method: THREADED; Thermostat Type: WAX PELLET. 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.