The Valve,vent-Check, cataloged under National Stock Number 4820-01-004-7086, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 12 specifications, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-004-7086 |
| Primary Part Number | 52-95F |
| Item Name | Valve,vent-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Mounting Position | VERTICAL |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 1.500 INCHES IN |
| Nominal Outside Diameter | 5.000 INCHES ALL ENDS IN |
| Face to Face Distance | 6.750 INCHES IN |
| Material | COPPER ALLOY BODY |
| Material | COPPER FLOW CONTROL DEVICE |
| 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 |
NSN 4820-01-004-7086 is a Valve,vent-Check, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-004-7086 has 2 manufacturer part numbers on file: 52-95F (Tate Andale, Llc), 3-420 (Tate Andale, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-511-4864, 4820-01-521-3208. Verify interchangeability with system specifications before substitution.
Key specifications for 52-95F: Flow Control Device: BALL; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Mounting Position: VERTICAL. 12 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.