The Coupling,valve, cataloged under National Stock Number 4820-01-113-4980, 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1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-113-4980 |
| Item Name | Coupling,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | RUBBER,CYLINDRICAL SHAPE,2.562 IN. 1ST STEP OD,0.688 IN. LG,2.938 IN. 2ND STEP OD,2.375 IN LARGEST ID,1.750 IN. O/A LG 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 |
|---|---|
| 2600741 | 5/9 Secondary reference Evac North America Inc |
| 2600741 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
| NH63X50 | 3/9 Design control — primary reference Airvac, Inc. |
NSN 4820-01-113-4980 is a Coupling,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-113-4980: General Characteristics Item Description: RUBBER,CYLINDRICAL SHAPE,2.562 IN. 1ST STEP OD,0.688 IN. LG,2.938 IN. 2ND STEP OD,2.375 IN LARGEST ID,1.750 IN. O/A LG 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.