The Cap,desiccant Container,dehumidi, cataloged under National Stock Number 4440-01-549-5010, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Westermeyer Industries Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-549-5010 |
| Primary Part Number | 912-203 |
| Item Name | Cap,desiccant Container,dehumidi |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Westermeyer Industries Inc. |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 912-203 PRIMARY | Westermeyer Industries Inc. (USA) |
| W7471-750 ITEM 12 | Westermeyer Industries Inc. (USA) |
| Reference | Meaning |
|---|---|
| W7471-750 | D/9 Drawing number reference only Westermeyer Industries Inc. |
NSN 4440-01-549-5010 is a Cap,desiccant Container,dehumidi, manufactured by Westermeyer Industries Inc., classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-549-5010 has 2 manufacturer part numbers on file: 912-203 (Westermeyer Industries Inc.), W7471-750 ITEM 12 (Westermeyer Industries Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4440-01-549-8281. Verify interchangeability with system specifications before substitution.
Key specifications for 912-203: Special Features: BRASS/SCREEN; Part Name Assigned by Controlling Agency: CAP, SAFETY ASSEMBLY; End Item Identification: NEW CONSTRUCTION DDG102; Material: COPPER ALLOY. 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.
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.