The Dehydrator Unit,nonreactivating, cataloged under National Stock Number 4440-01-589-1916, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Kratos Antenna Solutions Corporation Div Kratos Space, Training & Cyber. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-589-1916 |
| Primary Part Number | MT500B-81015 |
| Item Name | Dehydrator Unit,nonreactivating |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Kratos Antenna Solutions Corporation Div Kratos Space, Training & Cyber |
| Status | ACTIVE |
| Body Overall Length | 12.600 INCHES NOMINAL IN |
| Accessory Components and Quantity | SUMMARY ALARM 1 |
| Body Overall Height | 10.400 INCHES NOMINAL IN |
| Unpackaged Unit Weight | 35.360 POUNDS LBS |
| Body Overall Width | 17.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| MT500B-81015 PRIMARY | Kratos Antenna Solutions Corporation Div Kratos Space, Training & Cyber (USA) |
| MT500B-81015 | Andrew Llc Dba Commscope (USA) |
NSN 4440-01-589-1916 is a Dehydrator Unit,nonreactivating, manufactured by Kratos Antenna Solutions Corporation Div Kratos Space, Training & Cyber, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-589-1916 has 2 manufacturer part numbers on file: MT500B-81015 (Kratos Antenna Solutions Corporation Div Kratos Space, Training & Cyber), MT500B-81015 (Andrew Llc Dba Commscope).
Key specifications for MT500B-81015: Body Overall Length: 12.600 INCHES NOMINAL IN; Accessory Components and Quantity: SUMMARY ALARM 1; Special Features: POWER CONSUMPTION: 320.0 W; POWER PHASE: SINGLE; SUGGESTED CIRCUIT BREAKER SIZE: 20 A; DRYLINE DEHYDRATOR, LOW PRESSURE MEMBRANE, 19 INCH RACK MOUNTABLE, 2.0 TO 5.0 PSIG, WITH SUMMARY ALARM, 115 VAC, 60 HZ VAC; Part Name Assigned by Controlling Agency: AUTOMATIC MEMBRANE DEHYDRATOR. 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.