The Valve,main Shut-Off, cataloged under National Stock Number 4820-00-548-2933, 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1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-548-2933 |
| Item Name | Valve,main Shut-Off |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | 5 IN. LG.ARM EXTENSION; 2 IN.BUTTERFLY VALVE; 1 HOLE 0.375 IN.DIA 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 |
|---|---|
| 15B26P1 | 5/9 Secondary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 15B26 | 3/9 Design control — primary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 15A28P1 | 5/9 Secondary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
NSN 4820-00-548-2933 is a Valve,main Shut-Off, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-548-2933: General Characteristics Item Description: 5 IN. LG.ARM EXTENSION; 2 IN.BUTTERFLY VALVE; 1 HOLE 0.375 IN.DIA IN. 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.