The Retainer,dehydrator Screen, cataloged under National Stock Number 4440-01-580-5263, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Us Army Aviation and Missile Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-580-5263 |
| Primary Part Number | 13589545-1 |
| Item Name | Retainer,dehydrator Screen |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13589545-1 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 13589545 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
NSN 4440-01-580-5263 is a Retainer,dehydrator Screen, manufactured by Us Army Aviation and Missile Command, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-580-5263 has 1 manufacturer part number on file: 13589545-1 (Us Army Aviation and Missile Command).
Key specifications for 13589545-1: Overall Height: 5.800 INCHES NOMINAL IN; Overall Length: 8.200 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: LSTS DESICCANT HOLDER; End Item Identification: PATROIT LSTS. 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 4440-01-580-5263 has DEMIL Code B. 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.