The Retainer,disk,valve, cataloged under National Stock Number 4820-01-194-0996, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Raytheon Company. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-194-0996 |
| Primary Part Number | 76A2819-1 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Outside Diameter | 6.077 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/30 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 76A2819-1 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 76A2819-1 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
NSN 4820-01-194-0996 is a Retainer,disk,valve, manufactured by Raytheon Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-194-0996 has 1 manufacturer part number on file: 76A2819-1 (Raytheon Company).
Key specifications for 76A2819-1: Outside Diameter: 6.077 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/30 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 0.750 INCHES NOMINAL IN; Special Features: 3.500 IN. DIA THRU HOLE;TWELVE 0.218 IN. MIN TO 0.229 IN. MAX MTG HOLES SPACED ON A 5.438 IN. BOLT CIRCLE DIA IN. 3 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.