The Tubing,tank Vent, cataloged under National Stock Number 4720-01-154-1999, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Kovatch Corp.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Tubing,tank Vent |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Kovatch Corp. (CAGE 59556); General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (CAGE 1EFH8) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-154-1999 |
| Primary Part Number | K-500-CH-0326 |
| Item Name | Tubing,tank Vent |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Kovatch Corp. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| K-500-CH-0326 PRIMARY | Kovatch Corp. (USA) |
| 10026344 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| Reference | Meaning |
|---|---|
| 101AX 124R | 5/9 Secondary reference U.S. Government activity |
| 101AX 124RF | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-154-1999 is a Tubing,tank Vent, manufactured by Kovatch Corp., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-154-1999 has 2 manufacturer part numbers on file: K-500-CH-0326 (Kovatch Corp.), 10026344 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp).
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.