The Drier,air-Gas,desiccant, cataloged under National Stock Number 4440-00-486-0546, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-00-486-0546 |
| Primary Part Number | A51E9059-3 |
| Item Name | Drier,air-Gas,desiccant |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | 8.530 IN. LG,6.600 IN. W,2.630 IN. H,SELF-REACTIVATING,INCLUDES ELECTRIC HEATER 180 WATT MAX.,FILTER,SATURATION INDICATOR IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51E9059-3 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 101-152-14 | 3/2 Design control — primary reference U.S. Government activity |
| 101-152-13 | 5/9 Secondary reference U.S. Government activity |
NSN 4440-00-486-0546 is a Drier,air-Gas,desiccant, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-00-486-0546 has 1 manufacturer part number on file: A51E9059-3 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-129-7599, 5305-01-129-7601. Verify interchangeability with system specifications before substitution.
Key specifications for A51E9059-3: General Characteristics Item Description: 8.530 IN. LG,6.600 IN. W,2.630 IN. H,SELF-REACTIVATING,INCLUDES ELECTRIC HEATER 180 WATT MAX.,FILTER,SATURATION INDICATOR IN. 1 specification is 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.
NSN 4440-00-486-0546 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.