The Retainer,valve, cataloged under National Stock Number 4820-01-500-2407, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-500-2407 |
| Item Name | Retainer,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Material | ALUMINUM OR 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 |
| Reference | Meaning |
|---|---|
| 63900 REV D ITEM NO. 5 | 3/2 Design control — primary reference U.S. Government activity |
| 38387 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-500-2407 is a Retainer,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-500-2407: Overall Length: 3.000 INCHES NOMINAL IN; Special Features: NHA IS PRESSURE REDUCER VALVE. 1.875 IN HEX X 3 IN LONG USED TO CLAMP GUIDE TO BODY. IN; Part Name Assigned by Controlling Agency: VALVE RETAINER; Material: ALUMINUM OR 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.