The Vent-Drain Assembly, cataloged under National Stock Number 4820-01-132-3601, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-132-3601 |
| Item Name | Vent-Drain Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | 3000.0 PSI MAX WP;0.750 IPS SOCKET WELD;CRES BODY |
| 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 |
|---|---|
| 2621-166-03 | D/9 Drawing number reference only U.S. Government activity |
| 4682530F18 | 5/2 Secondary reference U.S. Government activity |
| 845-4687601 | D/9 Drawing number reference only U.S. Government activity |
| 845-4687601 ASSY A116 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-132-3601 is a Vent-Drain Assembly, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-132-3601: General Characteristics Item Description: 3000.0 PSI MAX WP;0.750 IPS SOCKET WELD;CRES BODY. 1 specification is 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.