The Valve,check, cataloged under National Stock Number 4820-01-359-5280, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Red Valve Company, Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-359-5280 |
| Primary Part Number | TF-2 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Red Valve Company, Inc |
| Status | ACTIVE |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | PLASTIC POLYPROPYLENE BODY |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| TF-2 | Red Valve Company, Inc (USA) |
| Reference | Meaning |
|---|---|
| 338005-D005 REV A FN 44 | 3/9 Design control — primary reference Environmental Elements Corp |
NSN 4820-01-359-5280 is a Valve,check, manufactured by Red Valve Company, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-359-5280 has 1 manufacturer part number on file: TF-2 (Red Valve Company, Inc).
Key specifications for TF-2: Media for Which Designed: AIR SINGLE RESPONSE; Material: PLASTIC POLYPROPYLENE BODY; Valve Operation Method: AUTOMATIC. 3 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.