The Valve,vacuum Breaking, cataloged under National Stock Number 4820-00-100-2689, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-100-2689 |
| Primary Part Number | 482-3/8SS2-1/2 |
| Item Name | Valve,vacuum Breaking |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Second End Relationship with First End | NOT IDENTICAL |
| First End Style Designator | PLAIN |
| Second End Nominal Pipe Size Accommodated | 0.375 INCHES IN |
| End Connection Quantity | 2 |
| Second End Style Designator | PLAIN |
| First End Nominal Pipe Size Accommodated | 0.375 INCHES IN |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| 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 |
|---|---|
| 482-3/8SS2-1/2 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 11616358-1 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 482-318SS2-1/2 | 5/9 Secondary reference U.S. Government activity |
| 483-3/8 SS2-1/2 | 5/9 Secondary reference U.S. Government activity |
| 11616358-1 | 5/9 Secondary reference Fmc Corp |
NSN 4820-00-100-2689 is a Valve,vacuum Breaking, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-100-2689 has 2 manufacturer part numbers on file: 482-3/8SS2-1/2 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 11616358-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 482-3/8SS2-1/2: Second End Relationship with First End: NOT IDENTICAL; First End Style Designator: PLAIN; Second End Nominal Pipe Size Accommodated: 0.375 INCHES IN; End Connection Quantity: 2. 7 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.