The Valve,check, cataloged under National Stock Number 4820-00-132-3161, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-132-3161 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES SECOND END |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | PLAIN, OPTIONAL END (PIPE) FIRST END |
| Nominal Length | 3.875 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 3.000 INCHES SECOND END IN |
| Style Designator | STRAIGHT THRU |
| Bolt Hole Nominal Diameter | 0.500 INCHES SECOND END IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Nominal Width | 2.500 INCHES SECOND END IN |
| Thread Series Designator | NPT FIRST END |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.875 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 375735 | 3/9 Design control — primary reference Bendix Corp the Brake and Steering Div |
| 375735 | 5/9 Secondary reference T and J Industries Inc |
NSN 4820-00-132-3161 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-132-3161: Flange Shape: OVAL WITH HOLES SECOND END; Flange Face Design: PLAIN SECOND END; Connection Style: PLAIN, OPTIONAL END (PIPE) FIRST END; Nominal Length: 3.875 INCHES SECOND END IN. 13 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.