PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21534Gasket

Aerosonic Llc · NSN 5330-00-958-4791 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-958-4791 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-958-4791. Primary manufacturer part number: 21534.
Features
  • Gasket — FSC 5330
  • Style Designator: CIRCULAR
  • Bolt Hole Quantity: 3
  • Hardness Rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
  • Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
  • Hole Diameter: 0.093 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Material: RUBBER CHLOROPRENE CLASS CR OVERALL
  • Bolt Circle Diameter: 0.312 INCHES NOMINAL IN
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 5330-00-958-4791, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerosonic Llc. Government technical data includes 11 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-958-4791
Primary Part Number21534
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Style DesignatorCIRCULAR
Bolt Hole Quantity3
Hardness Rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
Hole Diameter0.093 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MaterialRUBBER CHLOROPRENE CLASS CR OVERALL
Bolt Circle Diameter0.312 INCHES NOMINAL IN
Material Document and ClassificationMIL-R-6855,GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Aperture Diameter0.158 INCHES NOMINAL IN
Outside Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6680-00-009-0210AT21534 INTERCHANGEABLE
Gage Rod-Cap,liquid Level
Deere & Co
5935-00-403-4051462 INTERCHANGEABLE
Plug,tip
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5970-01-234-6602 INTERCHANGEABLE
Insulator,electrical
4730-01-289-963160 1 1/2IPS INTERCHANGEABLE
Flange,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
3770-01-588-893621534 INTERCHANGEABLE
Cage,animal
Petmate
Cross-Reference Index
Part NumberManufacturer
21534 PRIMARY Aerosonic Llc (USA)
Related Parts
6680-00-009-0210INTERCHANGEABLE
GAGE ROD-CAP,LIQUID LEVEL
AT21534
5935-00-403-4051INTERCHANGEABLE
PLUG,TIP
462
5970-01-234-6602INTERCHANGEABLE
INSULATOR,ELECTRICAL
4730-01-289-9631INTERCHANGEABLE
FLANGE,PIPE
60 1 1/2IPS
3770-01-588-8936INTERCHANGEABLE
CAGE,ANIMAL
21534

Frequently Asked Questions

What is NSN 5330-00-958-4791?

NSN 5330-00-958-4791 is a Gasket, manufactured by Aerosonic Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-958-4791?

NSN 5330-00-958-4791 has 1 cross-referenced part number: 21534 (Aerosonic Llc).

What NSN replaces 5330-00-958-4791?

There are 5 known substitutes for 5330-00-958-4791: 6680-00-009-0210, 5935-00-403-4051, 5970-01-234-6602 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21534?

Key specifications for 21534: Style Designator: CIRCULAR; Bolt Hole Quantity: 3; Hardness Rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL; Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN. 11 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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