The Flap,valve, cataloged under National Stock Number 4820-01-232-3988, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Elac Sonar Gmbh. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-232-3988 |
| Primary Part Number | 326015195 |
| Item Name | Flap,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Elac Sonar Gmbh |
| Status | ACTIVE |
| General Characteristics Item Description | CLOTH COATED,CBR PROTECTIVE PER MIL-C-51251; 0.488-0.498 IN. OD; SIX SLOTS IN |
| 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 |
|---|---|
| 326015195 | Elac Sonar Gmbh (DEU) |
| H5-15-4626-1 | Sypris Electronics, Llc Dba Sypris Electronics Llc (USA) |
| Reference | Meaning |
|---|---|
| C5-15-4626 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-232-3988 is a Flap,valve, manufactured by Elac Sonar Gmbh, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-232-3988 has 2 manufacturer part numbers on file: 326015195 (Elac Sonar Gmbh), H5-15-4626-1 (Sypris Electronics, Llc Dba Sypris Electronics Llc).
Key specifications for 326015195: General Characteristics Item Description: CLOTH COATED,CBR PROTECTIVE PER MIL-C-51251; 0.488-0.498 IN. OD; SIX SLOTS 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.