The Retainer,disk,valve, cataloged under National Stock Number 4820-01-686-7397, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Process Management Lllp. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-686-7397 |
| Primary Part Number | ERAA01905A0 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Process Management Lllp |
| Status | ACTIVE |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| ERAA01905A0 PRIMARY | Emerson Process Management Lllp (USA) |
NSN 4820-01-686-7397 is a Retainer,disk,valve, manufactured by Emerson Process Management Lllp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-686-7397 has 1 manufacturer part number on file: ERAA01905A0 (Emerson Process Management Lllp).
Key specifications for ERAA01905A0: Part Name Assigned by Controlling Agency: DISK HOLDER ASSEMBLY, COMPOSTION SEAT; End Item Identification: MR95 SERIES PRESSURE REGULATORS 1/2"; Material: STEEL COMP 316. 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.