National Item Identification Number

01-090-4959
010904959
4820-01-090-4959
4820-01-090-4959

National Stock Number

Item Name

BALL,CHECK

Federal Supply Class

4820

Description

A spherical shaped device that may be of solid or hollow construction. It is designed to seat in an opening thereby preventing the passage of fluid. It may be used with a spring enabling the ball to become unseated at a predetermined pressure as exerted by the fluid flow and to become reseated in the absence of fluid pressure. For valve balls that include ports see BALL, VALVE, PORTED.

Commercial and Government Entity Code (Supplier Data)

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99517

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VACCO INDUSTRIES
DIV VACCO
10350 VACCO ST
EL MONTE
CA
91733
626-450-6427

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99517

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VACCO INDUSTRIES
DIV VACCO
10350 VACCO ST
EL MONTE
CA
91733
626-450-6427

---

99517

---

VACCO INDUSTRIES
DIV VACCO
10350 VACCO ST
EL MONTE
CA
91733
626-450-6427

---

99517

---

VACCO INDUSTRIES
DIV VACCO
10350 VACCO ST
EL MONTE
CA
91733
626-450-6427

---

99517

---

VACCO INDUSTRIES
DIV VACCO
10350 VACCO ST
EL MONTE
CA
91733
626-450-6427

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Reference Numbers (Part Numbers)

S128-010
V3D10070 ITEM 29
V3D10109 ITEM 16
V3D10110 ITEM 21
V3D10423 ITEM 16

Required Categories

MATERIAL
VALVE DESIGN CONTROL ACTIVITY
SPHERICAL DIAMETER
III END ITEM IDENTI

Required Description

STEEL CORROSION RESISTING
99517
0.375 INCHES NOMINAL
RELIEF VALVE ASSEMBLY, S