PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C1063BRetainer,disk,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-213-9599 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-213-9599 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-213-9599. Primary manufacturer part number: C1063B.
Features
  • Retainer,disk,valve — FSC 4820
  • Outside Diameter: 4.130 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • 2 verified cross-references
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-213-9599, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-213-9599
Primary Part NumberC1063B
Item NameRetainer,disk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Outside Diameter4.130 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4320-01-083-8106C-1063 INTERCHANGEABLE
Crosshead Assembly,pump
Camar Corp.
Cross-Reference Index
Part NumberManufacturer
C1063 Griswold Industries Dba Cla-Val Co (USA)
C1063B PRIMARY Griswold Industries Dba Cla-Val Co (USA)
Related Parts
4320-01-083-8106INTERCHANGEABLE
CROSSHEAD ASSEMBLY,PUMP
C-1063

Frequently Asked Questions

What is NSN 4820-01-213-9599?

NSN 4820-01-213-9599 is a Retainer,disk,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-213-9599?

NSN 4820-01-213-9599 has 2 cross-referenced part numbers: C1063 (Griswold Industries Dba Cla-Val Co), C1063B (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-213-9599?

There is 1 known substitute for 4820-01-213-9599: 4320-01-083-8106. Verify interchangeability with system specifications before substitution.

What are the specifications of C1063B?

Key specifications for C1063B: Special Features: CIRCULAR SHAPE, 0.710 IN. THICK, 0.633 IN. CENTER HOLE DIA IN; Outside Diameter: 4.130 INCHES NOMINAL IN; Material: COPPER ALLOY. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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