The Disk,valve, cataloged under National Stock Number 4820-01-006-9980, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Forenta Lp. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-006-9980 |
| Primary Part Number | 25649-1 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Forenta Lp |
| Status | ACTIVE |
| Outside Diameter | 0.797 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 25649-1 | Forenta Lp (USA) |
| Reference | Meaning |
|---|---|
| V115 | 5/9 Secondary reference United Brass Works, Inc. Dba United Brass Works |
| V115BT | 3/9 Design control — primary reference United Brass Works, Inc. Dba United Brass Works |
NSN 4820-01-006-9980 is a Disk,valve, manufactured by Forenta Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-006-9980 has 1 manufacturer part number on file: 25649-1 (Forenta Lp).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-480-3367, 5331-01-485-6437. Verify interchangeability with system specifications before substitution.
Key specifications for 25649-1: Overall Height: 1.312 INCHES NOMINAL IN; Outside Diameter: 0.797 INCHES NOMINAL IN; Style Designator: PLAIN; Special Features: 0.797 IN. OD,1.312 IN. H IN. 3 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.