The Desiccant Container,dehumidifier, cataloged under National Stock Number 4440-01-311-7688, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-311-7688 |
| Primary Part Number | 4741-G505 |
| Item Name | Desiccant Container,dehumidifier |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING CONTAINER |
| Desiccant | INCLUDED |
| 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 |
|---|---|
| 4741-G505 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 6286 PIECE 5 | D/9 Drawing number reference only Howell Laboratories Inc Dba Howell Laboratories Inc |
| 4741D-G505 | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
| 4737 PIECE 77 | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
NSN 4440-01-311-7688 is a Desiccant Container,dehumidifier, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-311-7688 has 1 manufacturer part number on file: 4741-G505 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for 4741-G505: Overall Length: 53.000 INCHES NOMINAL IN; Special Features: DEHYDRATOR FLTR DSCC 30SCFM 150PSIG; Material: STEEL CORROSION RESISTING CONTAINER; Desiccant: INCLUDED. 2 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.