PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T56-7Gasket

Zenith Fuel Systems Llc · NSN 5330-00-171-6242 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-171-6242 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-171-6242. Primary manufacturer part number: T56-7.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Cross-Sectional Thickness: 0.040 INCHES NOMINAL IN
  • Outside Diameter: 1.000 INCHES NOMINAL IN
  • Aperture Diameter: 0.760 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Zenith Fuel Systems Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-00-171-6242, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zenith Fuel Systems Llc. Government technical data includes 4 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-171-6242
Primary Part NumberT56-7
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerZenith Fuel Systems Llc
StatusCANCELLED
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Cross-Sectional Thickness0.040 INCHES NOMINAL IN
Outside Diameter1.000 INCHES NOMINAL IN
Aperture Diameter0.760 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5120-00-142-3666T567 INTERCHANGEABLE
Wrenches,strut Pist
The Boeing Company Div Legacy Am&m
5340-00-350-6485 INTERCHANGEABLE
Frame,access Hole
Cross-Reference Index
Part NumberManufacturer
T56-7 Bendix Corp the Friction Materials Div (USA)
T56-7 Bendix Corp the (USA)
HU1951 Hercules Engine Co Inc (USA)
T56-7 PRIMARY Zenith Fuel Systems Llc (USA)
HU1951 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
Related Parts
5120-00-142-3666INTERCHANGEABLE
WRENCHES,STRUT PIST
T567
5340-00-350-6485INTERCHANGEABLE
FRAME,ACCESS HOLE

Frequently Asked Questions

What is NSN 5330-00-171-6242?

NSN 5330-00-171-6242 is a Gasket, manufactured by Zenith Fuel Systems Llc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-171-6242?

NSN 5330-00-171-6242 has 5 cross-referenced part numbers: T56-7 (Bendix Corp the Friction Materials Div), T56-7 (Bendix Corp the), HU1951 (Hercules Engine Co Inc), T56-7 (Zenith Fuel Systems Llc), HU1951 (Brinkley Technology Group Llc Dba Hercules Manufacturing).

What NSN replaces 5330-00-171-6242?

There are 2 known substitutes for 5330-00-171-6242: 5120-00-142-3666, 5340-00-350-6485. Verify interchangeability with system specifications before substitution.

What are the specifications of T56-7?

Key specifications for T56-7: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Cross-Sectional Thickness: 0.040 INCHES NOMINAL IN; Outside Diameter: 1.000 INCHES NOMINAL IN; Aperture Diameter: 0.760 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-171-6242 still in active supply?

NSN 5330-00-171-6242 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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