The Disk,valve, cataloged under National Stock Number 4820-00-024-2382, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Greenfield Compression Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-024-2382 |
| Primary Part Number | C9-263-01-0020 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Greenfield Compression Inc. |
| Status | ACTIVE |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| C9-263-01-0020 PRIMARY | Greenfield Compression Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1-15120 | 5/9 Secondary reference Greenfield Compression Inc. |
| 1-15120 | 5/9 Secondary reference U.S. Government activity |
| 1-15120 | 5/9 Secondary reference Chicago Pneumatic Tool Co |
NSN 4820-00-024-2382 is a Disk,valve, manufactured by Greenfield Compression Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-024-2382 has 1 manufacturer part number on file: C9-263-01-0020 (Greenfield Compression Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 5930-00-139-5862, 4140-01-303-1316, 6515-01-437-0995. Verify interchangeability with system specifications before substitution.
Key specifications for C9-263-01-0020: Overall Height: 0.092 INCHES NOMINAL IN; Outside Diameter: 1.625 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.500 INCHES NOMINAL IN. 4 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.