The Plug Locking,valve, cataloged under National Stock Number 4820-00-473-4264, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-473-4264 |
| Primary Part Number | 228-5648PC5 |
| Item Name | Plug Locking,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL COPPER ALLOY,PER QQ-N-00281C CLASS A; 1/8 IPS-NPT 5/16 IN. LG W/SCREW DRIVER SLOT 1/16X3/32 IN. DEEP ON TOP; BOTTOM W/3/16 IN. DIA EXTENSION 7/16 IN. LG 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 |
|---|---|
| 228-5648PC5 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| P45-NP0-7058 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 228-5648PC5 | 5/2 Secondary reference U.S. Government activity |
| 4824-935042A6PC19 | 3/2 Design control — primary reference U.S. Government activity |
| SS563S4801-932531A2PC34 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-473-4264 is a Plug Locking,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-473-4264 has 2 manufacturer part numbers on file: 228-5648PC5 (Huntington Ingalls Inc Div Newport News Shipbuilding), P45-NP0-7058 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 228-5648PC5: General Characteristics Item Description: NICKEL COPPER ALLOY,PER QQ-N-00281C CLASS A; 1/8 IPS-NPT 5/16 IN. LG W/SCREW DRIVER SLOT 1/16X3/32 IN. DEEP ON TOP; BOTTOM W/3/16 IN. DIA EXTENSION 7/16 IN. LG 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.