PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G311534-1Valve,ball

Raytheon Company Dba Raytheon Co · NSN 4820-01-278-4303 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-278-4303 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-278-4303. Primary manufacturer part number: G311534-1.
Features
  • Valve,ball — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Raytheon Company Dba Raytheon Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-278-4303, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,ball
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersRaytheon Company Div Corp (CAGE 49956); Raytheon Company Dba Raytheon Co (CAGE 3B150); Conbraco Industries Inc (CAGE 57661)
Technical Specifications
ParameterValue
NSN4820-01-278-4303
Primary Part NumberG311534-1
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-232-076411728669 INTERCHANGEABLE
Nut,plain,hexagon
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5310-00-259-114070208 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
Devlieg Bullard II, Inc. Dba Tooling Systems Division
5305-00-990-6444453283 INTERCHANGEABLE
Screw,machine
Navistar Intl Corp Truck Br Ohio Plant
5305-01-165-2891 INTERCHANGEABLE
Screw,machine
5305-01-240-725770208 INTERCHANGEABLE
Screw,cap,hexagon Head
Cummins Inc.
2030-01-444-294852885684 INTERCHANGEABLE
Lining,friction
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
G311534-1 Raytheon Company Div Corp (USA)
G311534-1 PRIMARY Raytheon Company Dba Raytheon Co (USA)
70-208-01 Conbraco Industries Inc (USA)
70-208 PRIMARY Conbraco Industries Inc (USA)
Related Parts
5310-00-232-0764INTERCHANGEABLE
NUT,PLAIN,HEXAGON
11728669
5310-00-259-1140INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
70208
5305-00-990-6444INTERCHANGEABLE
SCREW,MACHINE
453283
5305-01-165-2891INTERCHANGEABLE
SCREW,MACHINE
5305-01-240-7257INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
70208
2030-01-444-2948INTERCHANGEABLE
LINING,FRICTION
52885684

Frequently Asked Questions

What is NSN 4820-01-278-4303?

NSN 4820-01-278-4303 is a Valve,ball, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-278-4303?

NSN 4820-01-278-4303 has 4 cross-referenced part numbers: G311534-1 (Raytheon Company Div Corp), G311534-1 (Raytheon Company Dba Raytheon Co), 70-208-01 (Conbraco Industries Inc), 70-208 (Conbraco Industries Inc).

What NSN replaces 4820-01-278-4303?

There are 6 known substitutes for 4820-01-278-4303: 5310-00-232-0764, 5310-00-259-1140, 5305-00-990-6444 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com