The Ring,backup,valve, cataloged under National Stock Number 4820-01-152-7801, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-152-7801 |
| Primary Part Number | NK2083 |
| Item Name | Ring,backup,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| General Characteristics Item Description | PLASTIC;3.015 IN. OD;2.675 IN. ID;0.083 IN. THK IN |
| 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 |
|---|---|
| NK2083 | Emerson Automation Solutions Final Control Us Lp (USA) |
| NP-692 PIECE 24 | Emerson Automation Solutions Final Control Us Lp (USA) |
| Reference | Meaning |
|---|---|
| NK2083-1 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| NP-692 PIECE 24 | 5/9 Secondary reference Dresser-Rand Company |
| NP-692 PIECE 24 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| NK2083-1 | 3/9 Design control — primary reference Dresser-Rand Company |
NSN 4820-01-152-7801 is a Ring,backup,valve, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-152-7801 has 2 manufacturer part numbers on file: NK2083 (Emerson Automation Solutions Final Control Us Lp), NP-692 PIECE 24 (Emerson Automation Solutions Final Control Us Lp).
Key specifications for NK2083: General Characteristics Item Description: PLASTIC;3.015 IN. OD;2.675 IN. ID;0.083 IN. THK 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.