PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

142521Gasket

Eaton Aerospace, Llc Dba Jackson South · NSN 5330-00-576-4529 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-576-4529 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-576-4529. Primary manufacturer part number: 142521.
Features
  • Gasket — FSC 5330
  • Material: PAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
  • Outside Diameter: 5.115 INCHES MINIMUM AND 5.125 INCHES MAXIMUM IN
  • Aperture Diameter: 4.375 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN
  • Material Document and Classification: MIL-G-12803 MIL SPEC ALL MATERIAL RESPONSES OVERALL
  • Style Designator: CIRCULAR
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Paper and Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-576-4529, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-576-4529
Primary Part Number142521
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
MaterialPAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Outside Diameter5.115 INCHES MINIMUM AND 5.125 INCHES MAXIMUM IN
Aperture Diameter4.375 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Cross-Sectional Thickness0.062 INCHES NOMINAL IN
Material Document and ClassificationMIL-G-12803 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Style DesignatorCIRCULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5315-00-014-2521 INTERCHANGEABLE
Pin,grooved,headless
5995-00-487-3213 INTERCHANGEABLE
Cable Assembly,radio Frequency
5950-00-845-372733720 INTERCHANGEABLE
Transformer,discriminator
Freed Transformer Co
5935-00-950-853110015466-528 INTERCHANGEABLE
Connector,plug,electrical
Us Army Aviation and Missile Command
6685-01-095-026910-60757-28 INTERCHANGEABLE
Indicator,temperature,electrical
The Boeing Company Div Defense
2915-01-108-37122-300-677-04 INTERCHANGEABLE
Nozzle,fuel Injection
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
6550-01-503-3070124838 INTERCHANGEABLE
Control Set,human Serum
Bayer Corp
5340-01-537-4284 INTERCHANGEABLE
Band,retaining
7025-01-564-955233720 INTERCHANGEABLE
Disk Drive Unit
Iomega Corporation
7920-01-648-753744232 INTERCHANGEABLE
Brush,wire,scratch
Weiler Corporation
Cross-Reference Index
Part NumberManufacturer
142521 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
33720 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
861793 Clark Equipment Co (USA)
861793 Clark Material Handling Company (USA)
124838 Komatsu American Intl Co (USA)
Related Parts
5315-00-014-2521INTERCHANGEABLE
PIN,GROOVED,HEADLESS
5995-00-487-3213INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
5950-00-845-3727INTERCHANGEABLE
TRANSFORMER,DISCRIMINATOR
33720
5935-00-950-8531INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
10015466-528
6685-01-095-0269INTERCHANGEABLE
INDICATOR,TEMPERATURE,ELECTRICAL
10-60757-28
2915-01-108-3712INTERCHANGEABLE
NOZZLE,FUEL INJECTION
2-300-677-04
6550-01-503-3070INTERCHANGEABLE
CONTROL SET,HUMAN SERUM
124838
5340-01-537-4284INTERCHANGEABLE
BAND,RETAINING
7025-01-564-9552INTERCHANGEABLE
DISK DRIVE UNIT
33720
7920-01-648-7537INTERCHANGEABLE
BRUSH,WIRE,SCRATCH
44232

Frequently Asked Questions

What is NSN 5330-00-576-4529?

NSN 5330-00-576-4529 is a Gasket, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-576-4529?

NSN 5330-00-576-4529 has 5 cross-referenced part numbers: 142521 (Eaton Aerospace, Llc Dba Jackson South), 33720 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 861793 (Clark Equipment Co), 861793 (Clark Material Handling Company), 124838 (Komatsu American Intl Co).

What NSN replaces 5330-00-576-4529?

There are 10 known substitutes for 5330-00-576-4529: 5315-00-014-2521, 5995-00-487-3213, 5950-00-845-3727 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 142521?

Key specifications for 142521: Material: PAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL; Outside Diameter: 5.115 INCHES MINIMUM AND 5.125 INCHES MAXIMUM IN; Aperture Diameter: 4.375 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-576-4529 still in active supply?

NSN 5330-00-576-4529 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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