PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20434Gasket

Hydro-Aire Aerospace Corp · NSN 5330-00-515-3956 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-515-3956 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-515-3956. Primary manufacturer part number: 20434.
Features
  • Gasket — FSC 5330
  • Outside Diameter: 4.030 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Aperture Diameter: 3.485 INCHES MINIMUM AND 3.516 INCHES MAXIMUM IN
  • Cross-Sectional Thickness: 0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
  • Style Designator: CIRCULAR
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
  • Material Document and Classification: AMS 3200 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-515-3956, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-515-3956
Primary Part Number20434
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusCANCELLED
Outside Diameter4.030 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Aperture Diameter3.485 INCHES MINIMUM AND 3.516 INCHES MAXIMUM IN
Cross-Sectional Thickness0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
Style DesignatorCIRCULAR
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Material Document and ClassificationAMS 3200 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FSC Application DataRESERVOIR,HYDRAULIC BRAKE,AIRCRAFT
Hardness Rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5305-00-434-4233 INTERCHANGEABLE
Screw
5940-01-052-764410-201-4 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
4130-01-181-442920434 INTERCHANGEABLE
Condensing Unit,refrigerating
Hussmann Refrigerator Co
5950-01-217-9036 INTERCHANGEABLE
Coil,electrical
2590-01-244-733620434 INTERCHANGEABLE
Piston,brake,winch
Twg Canada Consolidated Inc
7490-01-562-490420434 INTERCHANGEABLE
Shredding Machine,paper
Dahle North America Inc
6515-01-590-668824400-U INTERCHANGEABLE
Speculum Set,ear
Welch Allyn, Inc.
Cross-Reference Index
Part NumberManufacturer
20434 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
5305-00-434-4233INTERCHANGEABLE
SCREW
5940-01-052-7644INTERCHANGEABLE
TERMINAL,STUD
10-201-4
4130-01-181-4429INTERCHANGEABLE
CONDENSING UNIT,REFRIGERATING
20434
5950-01-217-9036INTERCHANGEABLE
COIL,ELECTRICAL
2590-01-244-7336INTERCHANGEABLE
PISTON,BRAKE,WINCH
20434
7490-01-562-4904INTERCHANGEABLE
SHREDDING MACHINE,PAPER
20434
6515-01-590-6688INTERCHANGEABLE
SPECULUM SET,EAR
24400-U

Frequently Asked Questions

What is NSN 5330-00-515-3956?

NSN 5330-00-515-3956 is a Gasket, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-515-3956?

NSN 5330-00-515-3956 has 1 cross-referenced part number: 20434 (Hydro-Aire Aerospace Corp).

What NSN replaces 5330-00-515-3956?

There are 7 known substitutes for 5330-00-515-3956: 5305-00-434-4233, 5940-01-052-7644, 4130-01-181-4429 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20434?

Key specifications for 20434: Outside Diameter: 4.030 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Aperture Diameter: 3.485 INCHES MINIMUM AND 3.516 INCHES MAXIMUM IN; Cross-Sectional Thickness: 0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-515-3956 still in active supply?

NSN 5330-00-515-3956 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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