PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

142423Gasket

Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company · NSN 5330-00-433-9421 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-433-9421 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-433-9421. Primary manufacturer part number: 142423.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Cross-Sectional Thickness: 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • Style Designator: CIRCULAR
  • Aperture Diameter: 0.564 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
  • Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: PLASTIC POLYPROPYLENE OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic Polypropylene Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-433-9421, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5330-00-433-9421
Primary Part Number142423
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDesigned Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company
StatusACTIVE
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Cross-Sectional Thickness0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
Outside Diameter0.750 INCHES NOMINAL IN
Style DesignatorCIRCULAR
Aperture Diameter0.564 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
Material Document and ClassificationAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYPROPYLENE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-251-8493142423 INTERCHANGEABLE
Washer,flat
Johnson Controls Navy Systems, Llc
5940-00-549-955132D1533H11 INTERCHANGEABLE
Terminal,stud
Westinghouse Electric Corp
Cross-Reference Index
Part NumberManufacturer
142423 PRIMARY Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
142423 Huck Intl Inc (USA)
Related Parts
5310-00-251-8493INTERCHANGEABLE
WASHER,FLAT
142423
5940-00-549-9551INTERCHANGEABLE
TERMINAL,STUD
32D1533H11

Frequently Asked Questions

What is NSN 5330-00-433-9421?

NSN 5330-00-433-9421 is a Gasket, manufactured by Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-433-9421?

NSN 5330-00-433-9421 has 2 cross-referenced part numbers: 142423 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), 142423 (Huck Intl Inc).

What NSN replaces 5330-00-433-9421?

There are 2 known substitutes for 5330-00-433-9421: 5310-00-251-8493, 5940-00-549-9551. Verify interchangeability with system specifications before substitution.

What are the specifications of 142423?

Key specifications for 142423: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Cross-Sectional Thickness: 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN; Outside Diameter: 0.750 INCHES NOMINAL IN; Style Designator: CIRCULAR. 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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