The Deflector,valve, cataloged under National Stock Number 4820-01-121-0892, 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1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-121-0892 |
| Item Name | Deflector,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL CRES;FIRST END 18.250 IN. OD,24 0.406 IN. DIA HOLES EQUALLY SPACED ON A 17.250 IN. DIA BOLT CIRCLE,0.250 IN. THK FLANGE;SECOND END 2.9 IN. OD;5.500 IN. HIGH IN |
| 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 |
|---|---|
| 501-4675683 | D/9 Drawing number reference only U.S. Government activity |
| 4675683-0008 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 501-4675683 ITEM 8 | 3/2 Design control — primary reference U.S. Government activity |
| 87643-7003,ITEM 8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-121-0892 is a Deflector,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-121-0892: General Characteristics Item Description: MATERIAL CRES;FIRST END 18.250 IN. OD,24 0.406 IN. DIA HOLES EQUALLY SPACED ON A 17.250 IN. DIA BOLT CIRCLE,0.250 IN. THK FLANGE;SECOND END 2.9 IN. OD;5.500 IN. HIGH IN; End Item Identification: COMB INDUCT VALVE DISC MODEL 501-4675683. 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.