The Valve,plug, cataloged under National Stock Number 4820-01-309-9935, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowline Components, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-309-9935 |
| Primary Part Number | 343B4A |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowline Components, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 343B4A PRIMARY | Flowline Components, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 332B4A | 3/9 Design control — primary reference Flowline Components, Inc. |
| 109-CP-04 | 5/9 Secondary reference Imperial |
NSN 4820-01-309-9935 is a Valve,plug, manufactured by Flowline Components, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-309-9935 has 1 manufacturer part number on file: 343B4A (Flowline Components, Inc.).
Key specifications for 343B4A: End Item Identification: TEST STAND MK-3A-1 A. 0 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.