The Test Kit,acid, cataloged under National Stock Number 4440-01-057-1583, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Test Kit,acid
FSC / FSG
4440 — Driers, Dehydrators, and Anhydrators (FSG 44)
Technical Specifications
Parameter
Value
NSN
4440-01-057-1583
Item Name
Test Kit,acid
FSC / FSG
4440 / 44 — Driers, Dehydrators, and Anhydrators
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Hazardous per DLA record (HMIC Y)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
TK0
3/9Design control — primary reference
Virginia Chemicals Inc
No interchangeability data on file.
Other items in FSC 4440 — Driers, Dehydrators, and Anhydrators
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4440-00-001-6294
4440-00-001-6294 · Item name not on file
4440-00-001-6296
4440-00-001-6296 · Item name not on file
4440-00-005-5084
DEHYDRATOR UNIT,NONREACTIVATING
4440-00-006-0073
CARTRIDGE,DEHYDRATOR
4440-00-007-2318
TIMER
4440-00-008-4864
SENSOR ASSEMBLY,HUM
4440-00-009-4422
4440-00-009-4422 · Item name not on file
4440-00-009-5282
4440-00-009-5282 · Item name not on file
Frequently Asked Questions
What is NSN 4440-01-057-1583?
NSN 4440-01-057-1583 is a Test Kit,acid, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
Is NSN 4440-01-057-1583 hazardous material?
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.