PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66449Gasket

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5330-00-543-6128 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-543-6128 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-543-6128. Primary manufacturer part number: 66449.
Features
  • Gasket — FSC 5330
  • Inside Corner Radius: 0.188 INCHES NOMINAL IN
  • Center to Center Distance Between Bolt Holes Along Length: 4.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Bolt Hole Quantity: 4
  • Outside Edge to Bolt Hole Center Distance Along Length: 0.250 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN
  • Outside Corner Radius: 0.250 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Paper and Rubber Synthetic Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-543-6128, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 15 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-543-6128
Primary Part Number66449
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Inside Corner Radius0.188 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Length4.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Bolt Hole Quantity4
Outside Edge to Bolt Hole Center Distance Along Length0.250 INCHES NOMINAL IN
Cross-Sectional Thickness0.062 INCHES NOMINAL IN
Outside Corner Radius0.250 INCHES NOMINAL IN
Style DesignatorNON-CIRCULAR
Material Document and ClassificationHH-P-96,CL A FED SPEC ALL MATERIAL RESPONSES OVERALL
Center to Center Distance Between Bolt Holes Along Width3.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Hole Diameter0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MaterialPAPER AND RUBBER SYNTHETIC OVERALL
Outside Edge to Bolt Hole Center Distance Along Width0.250 INCHES NOMINAL IN
Aperture Length4.250 INCHES NOMINAL IN
Aperture Width3.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-287-1564 INTERCHANGEABLE
Tee,pipe to Tube
2810-00-512-997366449 INTERCHANGEABLE
Body,oil Pump Check
Curtiss-Wright Controls, Inc. Div Actuation Division
4820-01-009-9223 INTERCHANGEABLE
Valve,bleed
5940-01-649-881466449 INTERCHANGEABLE
Terminal Junction Block,sectiona
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
66449 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
4730-00-287-1564INTERCHANGEABLE
TEE,PIPE TO TUBE
2810-00-512-9973INTERCHANGEABLE
BODY,OIL PUMP CHECK
66449
4820-01-009-9223INTERCHANGEABLE
VALVE,BLEED
5940-01-649-8814INTERCHANGEABLE
TERMINAL JUNCTION BLOCK,SECTIONA
66449

Frequently Asked Questions

What is NSN 5330-00-543-6128?

NSN 5330-00-543-6128 is a Gasket, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-543-6128?

NSN 5330-00-543-6128 has 1 cross-referenced part number: 66449 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5330-00-543-6128?

There are 4 known substitutes for 5330-00-543-6128: 4730-00-287-1564, 2810-00-512-9973, 4820-01-009-9223 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66449?

Key specifications for 66449: Inside Corner Radius: 0.188 INCHES NOMINAL IN; Center to Center Distance Between Bolt Holes Along Length: 4.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Bolt Hole Quantity: 4. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com