The Cover,ring,valve, cataloged under National Stock Number 4820-01-184-2186, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-184-2186 |
| Primary Part Number | M423002 |
| Item Name | Cover,ring,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE |
| 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 |
|---|---|
| M423002 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA) |
| B-1305-V PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA) |
| Reference | Meaning |
|---|---|
| M423002 | 5/9 Secondary reference U.S. Government activity |
| B-1305-V | 5/9 Secondary reference Rosemount Analytical, Inc. Div Process Analytical Division |
| N-492904 | D/9 Drawing number reference only Rosemount Analytical, Inc. Div Process Analytical Division |
| N-492904 ITEM 5 | 5/9 Secondary reference Rosemount Analytical, Inc. Div Process Analytical Division |
| B-1305-V | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-184-2186 is a Cover,ring,valve, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-184-2186 has 2 manufacturer part numbers on file: M423002 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division), B-1305-V (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division).
Key specifications for M423002: General Characteristics Item Description: BRONZE. 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.