PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

82523Gasket

Monnier Inc · NSN 5330-00-779-5742 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-779-5742 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-779-5742. Primary manufacturer part number: 82523.
Features
  • Gasket — FSC 5330
  • Aperture Diameter: 2.094 INCHES MINIMUM AND 2.104 INCHES MAXIMUM IN
  • Cross-Sectional Thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Hardness Rating: 80.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM OVERALL
  • Outside Diameter: 2.490 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
  • Material: RUBBER CHLOROPRENE CLASS CR OVERALL
  • Style Designator: CIRCULAR
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Chloroprene Class Cr Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-779-5742, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Monnier Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-779-5742
Primary Part Number82523
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMonnier Inc
StatusACTIVE
Aperture Diameter2.094 INCHES MINIMUM AND 2.104 INCHES MAXIMUM IN
Cross-Sectional Thickness0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Hardness Rating80.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM OVERALL
Outside Diameter2.490 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
MaterialRUBBER CHLOROPRENE CLASS CR OVERALL
Style DesignatorCIRCULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2805-00-517-991118201A INTERCHANGEABLE
Valve,poppet,engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
3040-00-756-176610652536 INTERCHANGEABLE
Collar,shaft
Us Army Aviation and Missile Command
5940-00-949-5551 INTERCHANGEABLE
Terminal Board
7035-01-095-931821023 INTERCHANGEABLE
Cover,bottom
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4820-01-221-162821023 INTERCHANGEABLE
Sleeve and Slide,directional Con
Parker Hannifin Corporation Div Hydraulic Systems Division
4310-01-279-4534L23 INTERCHANGEABLE
Flywheel,compressor
Emglo Products Corp
6250-01-353-976421023 INTERCHANGEABLE
Holder,lampholder
Reable Therapeutics Inc Dba Chattanooga Group
5315-01-387-644021023 INTERCHANGEABLE
Pin,straight,headed
Science Applications International Corporation
Cross-Reference Index
Part NumberManufacturer
82523 Monnier Inc (USA)
L23 Monnier Inc (USA)
21023 Monnier Inc (USA)
Related Parts
2805-00-517-9911INTERCHANGEABLE
VALVE,POPPET,ENGINE
18201A
3040-00-756-1766INTERCHANGEABLE
COLLAR,SHAFT
10652536
5940-00-949-5551INTERCHANGEABLE
TERMINAL BOARD
7035-01-095-9318INTERCHANGEABLE
COVER,BOTTOM
21023
4820-01-221-1628INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21023
4310-01-279-4534INTERCHANGEABLE
FLYWHEEL,COMPRESSOR
L23
6250-01-353-9764INTERCHANGEABLE
HOLDER,LAMPHOLDER
21023
5315-01-387-6440INTERCHANGEABLE
PIN,STRAIGHT,HEADED
21023

Frequently Asked Questions

What is NSN 5330-00-779-5742?

NSN 5330-00-779-5742 is a Gasket, manufactured by Monnier Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-779-5742?

NSN 5330-00-779-5742 has 3 cross-referenced part numbers: 82523 (Monnier Inc), L23 (Monnier Inc), 21023 (Monnier Inc).

What NSN replaces 5330-00-779-5742?

There are 8 known substitutes for 5330-00-779-5742: 2805-00-517-9911, 3040-00-756-1766, 5940-00-949-5551 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 82523?

Key specifications for 82523: Aperture Diameter: 2.094 INCHES MINIMUM AND 2.104 INCHES MAXIMUM IN; Cross-Sectional Thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Hardness Rating: 80.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM OVERALL. 7 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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