PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C1084HDiaphragm,valve,flat

Griswold Industries Dba Cla-Val Co · NSN 4820-00-312-2540 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-312-2540 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-312-2540. Primary manufacturer part number: C1084H.
Features
  • Diaphragm,valve,flat — FSC 4820
  • 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 Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-312-2540, 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 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-312-2540
Primary Part NumberC1084H
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5910-00-231-2900X663F3345R50W INTERCHANGEABLE
Capacitor,fixed,metallized,paper
American Shizuki Corp
5920-00-234-88161281322-101 INTERCHANGEABLE
Discharger,electrostatic
Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division
5910-00-910-4100C1084 INTERCHANGEABLE
Capacitor,fixed,electrolytic
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
Cross-Reference Index
Part NumberManufacturer
C1084H PRIMARY Griswold Industries Dba Cla-Val Co (USA)
C1084 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
5910-00-231-2900INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
X663F3345R50W
5920-00-234-8816INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC
1281322-101
5910-00-910-4100INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
C1084

Frequently Asked Questions

What is NSN 4820-00-312-2540?

NSN 4820-00-312-2540 is a Diaphragm,valve,flat, 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 4820-00-312-2540?

NSN 4820-00-312-2540 has 2 cross-referenced part numbers: C1084H (Griswold Industries Dba Cla-Val Co), C1084 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-00-312-2540?

There are 3 known substitutes for 4820-00-312-2540: 5910-00-231-2900, 5920-00-234-8816, 5910-00-910-4100. Verify interchangeability with system specifications before substitution.

What are the specifications of C1084H?

Key specifications for C1084H: Material: COPPER ALLOY. 1 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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