The Valve,check, cataloged under National Stock Number 4820-00-103-9185, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (CAGE 78JK3); Freightquip Pty Ltd (CAGE Z0DK5); Oshkosh Defense Llc (CAGE 75Q65) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-103-9185 |
| Primary Part Number | 2650 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division |
| 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 |
|---|---|
| 2650 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA) |
| 1003630 | Freightquip Pty Ltd (AUS) |
| 123125A | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 2650 | 5/9 Secondary reference U.S. Government activity |
| 123125A | 5/9 Secondary reference Oshkosh Corp |
| 7720PC12 | C/1 Advisory reference — outside the item-of-supply concept Edo Ail Systems Inc |
| 1003630 | 7/2 Vendor item drawing reference Tld Ace Corp Div Tld Ace |
| 2650 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| 2650 | 5/9 Secondary reference U.S. Government activity |
| 2650 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Mobile Climate Systems Division Div Mobile Climate Systems Division |
NSN 4820-00-103-9185 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-103-9185 has 3 manufacturer part numbers on file: 2650 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division), 1003630 (Freightquip Pty Ltd), 123125A (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 4210-00-219-5282. Verify interchangeability with system specifications before substitution.
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.