The Valve,gate, cataloged under National Stock Number 4820-01-020-9801, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kaydon Custom Filtration Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-020-9801 |
| Primary Part Number | 27701 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kaydon Custom Filtration Corporation |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Connection Type | THREADED INTERNAL PIPE |
| Thread Series Designator | NPT |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 27701 PRIMARY | Kaydon Custom Filtration Corporation (USA) |
| Reference | Meaning |
|---|---|
| E-30328 | D/9 Drawing number reference only Kaydon Custom Filtration Corporation |
NSN 4820-01-020-9801 is a Valve,gate, manufactured by Kaydon Custom Filtration Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-020-9801 has 1 manufacturer part number on file: 27701 (Kaydon Custom Filtration Corporation).
Key specifications for 27701: Inlet Relationship with Outlet: IDENTICAL; Connection Type: THREADED INTERNAL PIPE; Thread Series Designator: NPT; Valve Operation Method: MANUAL. 4 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.