The Valve,relief Manifold, cataloged under National Stock Number 4820-01-056-1692, 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1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-056-1692 |
| Item Name | Valve,relief Manifold |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,QQ-A-367,COMP 6061 T6;SURFACE TREATMENT IRIDITE AND PAINT;TAP 3 HOLES 10-32 IN. @,0.500 IN. DEEP;ONE SIDE 1.250 IN. DRILL 2 PLACES 0.500 IN NPT;2 PLACES 0.750 IN. NPT HOLES;ONE SIDE 1.750 IN.W 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 |
|---|---|
| 25163-1 | 3/9 Design control — primary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
| A25163-1 | 5/9 Secondary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
| A25163 | D/9 Drawing number reference only Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
NSN 4820-01-056-1692 is a Valve,relief Manifold, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-056-1692: General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-367,COMP 6061 T6;SURFACE TREATMENT IRIDITE AND PAINT;TAP 3 HOLES 10-32 IN. @,0.500 IN. DEEP;ONE SIDE 1.250 IN. DRILL 2 PLACES 0.500 IN NPT;2 PLACES 0.750 IN. NPT HOLES;ONE SIDE 1.750 IN.W IN. 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.