The Valve,vent-Check, cataloged under National Stock Number 4820-01-654-7717, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,vent-Check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Tate Andale, Llc (CAGE 09032) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-654-7717 |
| Primary Part Number | 22173-1 |
| Item Name | Valve,vent-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| 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 |
|---|---|
| 22173-1 PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| 33985 REV D | C/1 Advisory reference — outside the item-of-supply concept Tate Andale, Llc |
| 33985 | D/9 Drawing number reference only Tate Andale, Llc |
| 33985 REV A 40 MESH | 5/9 Secondary reference Tate Andale, Llc |
| 52-40S 1-1/2" 40 MESH | 5/9 Secondary reference Tate Andale, Llc |
NSN 4820-01-654-7717 is a Valve,vent-Check, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-654-7717 has 1 manufacturer part number on file: 22173-1 (Tate Andale, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-655-1493, 3040-01-725-8482. Verify interchangeability with system specifications before substitution.
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.