The Retainer,disk,valve, cataloged under National Stock Number 4820-01-298-8676, 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 Div Navy Product Team. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-298-8676 |
| Primary Part Number | NMP-127 PIECE 18A4 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| 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 |
|---|---|
| NMP-127 PIECE 18A4 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| NMP-127 PIECE 18A4 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-127 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 3219998 | D/9 Drawing number reference only U.S. Government activity |
| NMP-127 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-127 PIECE 18A4 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 3219998 PIECE 18A4 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-298-8676 is a Retainer,disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-298-8676 has 1 manufacturer part number on file: NMP-127 PIECE 18A4 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for NMP-127 PIECE 18A4: Special Features: VITON,MIL-R-25897 TYPE 2 CLASS 1;1.306 IN. OD IN. 0 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.