PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-1345CRetainer,disk,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-220-2186 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-220-2186 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-220-2186. Primary manufacturer part number: C-1345C.
Features
  • Retainer,disk,valve — FSC 4820
  • Inside Diameter: 7.000 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 4820-01-220-2186, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-220-2186
Primary Part NumberC-1345C
Item NameRetainer,disk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Inside Diameter7.000 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
7330-00-532-5867180-146G INTERCHANGEABLE
Jug,insulated
B/e Aerospace, Inc. Div Lenexa Business Unit
6550-01-572-1053 INTERCHANGEABLE
Catalase Test Reagent
Cross-Reference Index
Part NumberManufacturer
C-1345C PRIMARY Griswold Industries Dba Cla-Val Co (USA)
C-1345 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
7330-00-532-5867INTERCHANGEABLE
JUG,INSULATED
180-146G
6550-01-572-1053INTERCHANGEABLE
CATALASE TEST REAGENT

Frequently Asked Questions

What is NSN 4820-01-220-2186?

NSN 4820-01-220-2186 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 4820-01-220-2186?

NSN 4820-01-220-2186 has 2 cross-referenced part numbers: C-1345C (Griswold Industries Dba Cla-Val Co), C-1345 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-220-2186?

There are 2 known substitutes for 4820-01-220-2186: 7330-00-532-5867, 6550-01-572-1053. Verify interchangeability with system specifications before substitution.

What are the specifications of C-1345C?

Key specifications for C-1345C: Special Features: 4.000 IN. THICK IN; Inside Diameter: 7.000 INCHES NOMINAL IN; Material: COPPER ALLOY; End Item Identification: CLA-VAL MODEL 100PM4 SPRINKLER VALVE. 4 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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