PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-95780 PIECE 15Disk,valve

Kidde-Fenwal, Llc · NSN 4820-01-099-4420 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-099-4420 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-099-4420. Primary manufacturer part number: R-95780 PIECE 15.
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 1.390 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Style Designator: SOLID
  • 3 verified cross-references
  • Primary manufacturer: Kidde-Fenwal, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-099-4420, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kidde-Fenwal, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-099-4420
Primary Part NumberR-95780 PIECE 15
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKidde-Fenwal, Llc
StatusACTIVE
Outside Diameter1.390 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Style DesignatorSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-120-160520011 INTERCHANGEABLE
Bearing,roller,tapered
Fairbanks Morse, Llc
5210-00-600-5757C331-300 INTERCHANGEABLE
Rule,machinist's
L.s. Starrett Company (the) Div Tool Division
2940-01-247-556933095 INTERCHANGEABLE
Filter,fluid
Wix Corp
3110-01-306-459833095 INTERCHANGEABLE
Bearing Assy
Funk Mfg Co Sub of Deere and Co
3120-01-553-854633095 INTERCHANGEABLE
Bushing Half,sleeve
Powerbrace Corporation Dba Powerbrace America
Cross-Reference Index
Part NumberManufacturer
R-95780 PIECE 15 PRIMARY Kidde-Fenwal, Llc (USA)
33095 Kidde-Fenwal, Llc (USA)
S9300H3-105-797 Naval Ship Systems Command (USA)
Related Parts
3110-00-120-1605INTERCHANGEABLE
BEARING,ROLLER,TAPERED
20011
5210-00-600-5757INTERCHANGEABLE
RULE,MACHINIST'S
C331-300
2940-01-247-5569INTERCHANGEABLE
FILTER,FLUID
33095
3110-01-306-4598INTERCHANGEABLE
BEARING ASSY
33095
3120-01-553-8546INTERCHANGEABLE
BUSHING HALF,SLEEVE
33095

Frequently Asked Questions

What is NSN 4820-01-099-4420?

NSN 4820-01-099-4420 is a Disk,valve, manufactured by Kidde-Fenwal, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-099-4420?

NSN 4820-01-099-4420 has 3 cross-referenced part numbers: R-95780 PIECE 15 (Kidde-Fenwal, Llc), 33095 (Kidde-Fenwal, Llc), S9300H3-105-797 (Naval Ship Systems Command).

What NSN replaces 4820-01-099-4420?

There are 5 known substitutes for 4820-01-099-4420: 3110-00-120-1605, 5210-00-600-5757, 2940-01-247-5569 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R-95780 PIECE 15?

Key specifications for R-95780 PIECE 15: Overall Height: 0.044 INCHES NOMINAL IN; Outside Diameter: 1.390 INCHES NOMINAL IN; Material: COPPER ALLOY; Style Designator: SOLID. 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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