The Filter-Drier,refrigerant, cataloged under National Stock Number 4130-01-643-9996, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Parker-Hannifin Corp Div Sporlan Division. Government technical data includes 8 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-643-9996 |
| Primary Part Number | C-304-S |
| Item Name | Filter-Drier,refrigerant |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| Tube Outside Diameter for Which Designed | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | UNTHREADED EXTERNAL BOTH ENDS |
| Shape | STRAIGHT |
| Desiccant Type | ALUMINA, ACTIVATED AND MOLECULAR SIEVE |
| Desiccant Capacity | 30.0 CUBIC INCHES |
| Shell Diameter | 3.0 INCHES NOMINAL IN |
| Unpackaged Unit Weight | 3.5 POUNDS LBS |
| End Connection Type and Location | UNTHREADED EXTERNAL TUBE BOTH ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4130-01-643-9996 is a Filter-Drier,refrigerant, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-643-9996 has 2 manufacturer part numbers on file: EK 304S (Emerson Electric Co Alco Controls Div), C-304-S (Parker-Hannifin Corp Div Sporlan Division).
Key specifications for C-304-S: Tube Outside Diameter for Which Designed: 0.500 INCHES NOMINAL BOTH ENDS IN; Style Designator: UNTHREADED EXTERNAL BOTH ENDS; Shape: STRAIGHT; Overall Length: 9.0 INCHES NOMINAL IN. 8 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.