The Valve,ball, cataloged under National Stock Number 4820-01-265-0415, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-265-0415 |
| Primary Part Number | 255551 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Nominal Pipe Size Accommodated | 2.000 INCHES ALL ENDS IN |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Material | PLASTIC POLYAMIDE NYLON SEAT |
| Operating Pressure | 4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Operation Method | MANUAL |
| Style Designator | STRAIGHT THRU |
| Criticality Code Justification | ZZZY |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Connection Style | BEVELED (PIPE) ALL ENDS |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 255551 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 25551 ASSY AL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 255551 ASSY A | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 4820-01-265-0415 is a Valve,ball, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-265-0415 has 3 cross-referenced part numbers: 255551 (Huntington Ingalls Inc Div Newport News Shipbuilding), 25551 ASSY AL1 (Naval Inventory Control Point Mechanicsburg), 255551 ASSY A (Huntington Ingalls Inc Div Newport News Shipbuilding).
There are 2 known substitutes for 4820-01-265-0415: 3110-00-151-9134, 6505-01-427-1064. Verify interchangeability with system specifications before substitution.
Key specifications for 255551: Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS; Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN; Connection Type: BUTT WELD PIPE ALL ENDS; Material: PLASTIC POLYAMIDE NYLON SEAT. 11 total characteristics are documented in the Federal Logistics Information System.