The Retainer,disk,valve, cataloged under National Stock Number 4820-01-414-8569, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-414-8569 |
| Primary Part Number | 2602-35 PIECE 4 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Material Document and Classification | MIL-B-24059 AMEND 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 2.000 INCHES IN |
| Valve Size for Which Designed | 3.000 INCHES IN |
| Valve Design Control Activity | 80064 |
| Material | COPPER 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 |
|---|---|
| 2602-35 PIECE 4 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 504-4326478 PIECE 4 | 3/2 Design control — primary reference U.S. Government activity |
| 2602-35 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 4326478 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-414-8569 is a Retainer,disk,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-414-8569 has 1 manufacturer part number on file: 2602-35 PIECE 4 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 2602-35 PIECE 4: Material Document and Classification: MIL-B-24059 AMEND 1 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.000 INCHES NOMINAL IN; Nominal Thread Size: 2.000 INCHES IN; Valve Size for Which Designed: 3.000 INCHES IN. 5 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.