The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-124-4068, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-124-4068 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Outside Diameter | 1.281 INCHES MINIMUM AND 1.301 INCHES MAXIMUM IN |
| Style Designator | FLAT |
| Material Document and Classification | GARLOCK INC, 8798 MFR REF SINGLE MATERIAL RESPONSE |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Center Hole Diameter | 0.234 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 |
|---|---|
| B5451-3 | 3/9 Design control — primary reference Henry Technologies, Inc. |
NSN 4820-01-124-4068 is a Diaphragm,valve,flat, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-124-4068: Outside Diameter: 1.281 INCHES MINIMUM AND 1.301 INCHES MAXIMUM IN; Style Designator: FLAT; Material Document and Classification: GARLOCK INC, 8798 MFR REF SINGLE MATERIAL RESPONSE; Material Thickness: 0.062 INCHES NOMINAL IN. 6 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.