PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51A66Gasket

Hartzell Engine Technologies Llc · NSN 5330-01-465-9850 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-465-9850 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-465-9850. Primary manufacturer part number: 51A66.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Environmental Attribute Code: ASBESTOS ALTERNATIVE PRODUCTS
  • Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Hartzell Engine Technologies Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-01-465-9850, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hartzell Engine Technologies Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-465-9850
Primary Part Number51A66
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHartzell Engine Technologies Llc
StatusACTIVE
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Environmental Attribute CodeASBESTOS ALTERNATIVE PRODUCTS
Cross-Sectional Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-159-02483038-9006PC2 INTERCHANGEABLE
Terminal,stud
Northrop Grumman Systems Corporation
5330-00-166-550951A66 INTERCHANGEABLE
Gasket
Surface Combustion Inc
Cross-Reference Index
Part NumberManufacturer
51A66 PRIMARY Hartzell Engine Technologies Llc (USA)
51A66 Kelly Aerospace Power Systems, Inc. Dba Consolidated Fuel Systems (USA)
Related Parts
5940-00-159-0248INTERCHANGEABLE
TERMINAL,STUD
3038-9006PC2
5330-00-166-5509INTERCHANGEABLE
GASKET
51A66

Frequently Asked Questions

What is NSN 5330-01-465-9850?

NSN 5330-01-465-9850 is a Gasket, manufactured by Hartzell Engine Technologies Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-465-9850?

NSN 5330-01-465-9850 has 2 cross-referenced part numbers: 51A66 (Hartzell Engine Technologies Llc), 51A66 (Kelly Aerospace Power Systems, Inc. Dba Consolidated Fuel Systems).

What NSN replaces 5330-01-465-9850?

There are 2 known substitutes for 5330-01-465-9850: 5940-00-159-0248, 5330-00-166-5509. Verify interchangeability with system specifications before substitution.

What are the specifications of 51A66?

Key specifications for 51A66: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Environmental Attribute Code: ASBESTOS ALTERNATIVE PRODUCTS; Special Features: CONTAINS NON-ASBESTOS MATERIAL; Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN. 4 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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