The Cap,desiccant Chamber, cataloged under National Stock Number 4440-01-304-0432, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is C & H Machine Inc Dba Support Equipment Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4440-01-304-0432 |
| Primary Part Number | 900070-1 |
| Item Name | Cap,desiccant Chamber |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | C & H Machine Inc Dba Support Equipment Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | ROUND W/THD CENTERED HOLE; PART OF LANDING GEAR SHOCK STRUT SERVICING UNIT |
| 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 |
|---|---|
| 900070-1 PRIMARY | C & H Machine Inc Dba Support Equipment Inc. (USA) |
| Reference | Meaning |
|---|---|
| 900073-1 | 5/9 Secondary reference C & H Machine Inc Dba Support Equipment Inc. |
| 900073-1 | C/1 Advisory reference — outside the item-of-supply concept Wolf Ridge Plastics |
NSN 4440-01-304-0432 is a Cap,desiccant Chamber, manufactured by C & H Machine Inc Dba Support Equipment Inc., classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-304-0432 has 1 manufacturer part number on file: 900070-1 (C & H Machine Inc Dba Support Equipment Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6240-01-510-4472. Verify interchangeability with system specifications before substitution.
Key specifications for 900070-1: General Characteristics Item Description: ROUND W/THD CENTERED HOLE; PART OF LANDING GEAR SHOCK STRUT SERVICING UNIT. 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.