The Retainer,ball,valve, cataloged under National Stock Number 4820-01-316-6417, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-316-6417 |
| Primary Part Number | 2070-28 PIECE 30 |
| Item Name | Retainer,ball,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| General Characteristics Item Description | CRES STEEL PER QQ-S-763,CL 304,COND O/A;1.500 IN.LG;0.500 IN. OD;ONE END BORED 0.188 IN.DIA W/CROSS DRILLED HOLE OF SAME DIA;OTHER END BORED 0.376 IN. DIA BY 1.125 IN. DP IN |
| 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 |
|---|---|
| 2070-28 PIECE 30 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 4457259 PIECE 3 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4457259 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-316-6417 is a Retainer,ball,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-316-6417 has 1 manufacturer part number on file: 2070-28 PIECE 30 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 2070-28 PIECE 30: General Characteristics Item Description: CRES STEEL PER QQ-S-763,CL 304,COND O/A;1.500 IN.LG;0.500 IN. OD;ONE END BORED 0.188 IN.DIA W/CROSS DRILLED HOLE OF SAME DIA;OTHER END BORED 0.376 IN. DIA BY 1.125 IN. DP IN. 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.