PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520-19Gasket

Hamilton Sundstrand Corporation · NSN 5330-00-257-2423 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-257-2423 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-257-2423. Primary manufacturer part number: 520-19.
Features
  • Gasket — FSC 5330
  • Aperture Diameter: 0.781 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.016 INCHES NOMINAL IN
  • Outside Diameter: 1.000 INCHES NOMINAL IN
  • Style Designator: CIRCULAR
  • Material Document and Classification: DS-5 FSCM 79144 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Hardness Rating: 95.0 SHORE DUROMETER A MINIMUM AND 100.0 SHORE DUROMETER A MAXIMUM OVERALL
  • Material: ASBESTOS OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Asbestos Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-257-2423, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 8 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-257-2423
Primary Part Number520-19
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusCANCELLED
Aperture Diameter0.781 INCHES NOMINAL IN
Cross-Sectional Thickness0.016 INCHES NOMINAL IN
Outside Diameter1.000 INCHES NOMINAL IN
Style DesignatorCIRCULAR
Material Document and ClassificationDS-5 FSCM 79144 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating95.0 SHORE DUROMETER A MINIMUM AND 100.0 SHORE DUROMETER A MAXIMUM OVERALL
MaterialASBESTOS OVERALL
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
2805-00-145-13561A9725 INTERCHANGEABLE
Piston,pressure Regulator
Napco International Llc Dba Napco International Inc
5940-00-159-155852019 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
3455-00-230-7047717-015663 INTERCHANGEABLE
Cutter,milling,plain
Doall Baltimore Company
7510-00-689-7082 INTERCHANGEABLE
Tape,embossing
5962-01-234-5152 INTERCHANGEABLE
Microcircuit,digital
2995-01-253-639252-019 INTERCHANGEABLE
Trip Valve Kit,auto
Ge Aviation Systems, Llc
5340-01-310-7027EJB-Y INTERCHANGEABLE
Seal,antipilferage
Brooks Equipment Company, Llc Div Headquarters
5331-01-343-171658327 INTERCHANGEABLE
O-Ring
Asap Semiconductor, Llc Dba Asap Semiconductor
4920-01-498-899652019 INTERCHANGEABLE
Bracket Set,aircraf
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
520-19 PRIMARY Hamilton Sundstrand Corporation (USA)
Related Parts
2805-00-145-1356INTERCHANGEABLE
PISTON,PRESSURE REGULATOR
1A9725
5940-00-159-1558INTERCHANGEABLE
TERMINAL,LUG
52019
3455-00-230-7047INTERCHANGEABLE
CUTTER,MILLING,PLAIN
717-015663
7510-00-689-7082INTERCHANGEABLE
TAPE,EMBOSSING
5962-01-234-5152INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2995-01-253-6392INTERCHANGEABLE
TRIP VALVE KIT,AUTO
52-019
5340-01-310-7027INTERCHANGEABLE
SEAL,ANTIPILFERAGE
EJB-Y
5331-01-343-1716INTERCHANGEABLE
O-RING
58327
4920-01-498-8996INTERCHANGEABLE
BRACKET SET,AIRCRAF
52019

Frequently Asked Questions

What is NSN 5330-00-257-2423?

NSN 5330-00-257-2423 is a Gasket, manufactured by Hamilton Sundstrand Corporation, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-257-2423?

NSN 5330-00-257-2423 has 1 cross-referenced part number: 520-19 (Hamilton Sundstrand Corporation).

What NSN replaces 5330-00-257-2423?

There are 9 known substitutes for 5330-00-257-2423: 2805-00-145-1356, 5940-00-159-1558, 3455-00-230-7047 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 520-19?

Key specifications for 520-19: Aperture Diameter: 0.781 INCHES NOMINAL IN; Cross-Sectional Thickness: 0.016 INCHES NOMINAL IN; Outside Diameter: 1.000 INCHES NOMINAL IN; Style Designator: CIRCULAR. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-257-2423 still in active supply?

NSN 5330-00-257-2423 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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