PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55142Gasket

Avox Systems Inc Dba Avox Systems Inc · NSN 5330-00-051-1321 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-051-1321 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-051-1321. Primary manufacturer part number: 55142.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: RECTANGULAR METAL
  • Material: COPPER OVERALL
  • Style Designator: CIRCULAR
  • Aperture Diameter: 0.170 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.032 INCHES NOMINAL IN
  • Outside Diameter: 0.440 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Copper Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-051-1321, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 6 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-051-1321
Primary Part Number55142
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR METAL
MaterialCOPPER OVERALL
Style DesignatorCIRCULAR
Aperture Diameter0.170 INCHES NOMINAL IN
Cross-Sectional Thickness0.032 INCHES NOMINAL IN
Outside Diameter0.440 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2510-00-770-21217702121 INTERCHANGEABLE
Cover
U S Army Tank Automotive Command Amsta-Im-Mm
5998-01-248-0450 INTERCHANGEABLE
Circuit Card Assembly
8465-01-710-593755142 INTERCHANGEABLE
Field Pack
Logos Imaging Llc
Cross-Reference Index
Part NumberManufacturer
55142 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
2510-00-770-2121INTERCHANGEABLE
COVER
7702121
5998-01-248-0450INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
8465-01-710-5937INTERCHANGEABLE
FIELD PACK
55142

Frequently Asked Questions

What is NSN 5330-00-051-1321?

NSN 5330-00-051-1321 is a Gasket, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-051-1321?

NSN 5330-00-051-1321 has 1 cross-referenced part number: 55142 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 5330-00-051-1321?

There are 3 known substitutes for 5330-00-051-1321: 2510-00-770-2121, 5998-01-248-0450, 8465-01-710-5937. Verify interchangeability with system specifications before substitution.

What are the specifications of 55142?

Key specifications for 55142: Cross-Sectional Shape Style: RECTANGULAR METAL; Material: COPPER OVERALL; Style Designator: CIRCULAR; Aperture Diameter: 0.170 INCHES NOMINAL IN. 6 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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