PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300.558Gasket

Ward Leonard Ct Llc · NSN 5330-01-618-5677 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-618-5677 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-618-5677. Primary manufacturer part number: 300.558.
Features
  • Gasket — FSC 5330
  • 1 verified cross-reference
  • Primary manufacturer: Ward Leonard Ct Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-01-618-5677, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ward Leonard Ct Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-618-5677
Primary Part Number300.558
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5925-00-223-184230055-8 INTERCHANGEABLE
Circuit Breaker
Cole Hersee Company
5330-00-571-9699276-7 INTERCHANGEABLE
Gasket
W.w. Grainger, Inc. Div Government Sales Division
5935-00-830-6348T41112 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Allied Controls, Inc.
5935-00-940-3119220-1586-080 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5320-01-303-730630-055-8 INTERCHANGEABLE
Collar,pin-Rivet
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
300.558 PRIMARY Ward Leonard Ct Llc (USA)
Related Parts
5925-00-223-1842INTERCHANGEABLE
CIRCUIT BREAKER
30055-8
5330-00-571-9699INTERCHANGEABLE
GASKET
276-7
5935-00-830-6348INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
T41112
5935-00-940-3119INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
220-1586-080
5320-01-303-7306INTERCHANGEABLE
COLLAR,PIN-RIVET
30-055-8

Frequently Asked Questions

What is NSN 5330-01-618-5677?

NSN 5330-01-618-5677 is a Gasket, manufactured by Ward Leonard Ct Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-618-5677?

NSN 5330-01-618-5677 has 1 cross-referenced part number: 300.558 (Ward Leonard Ct Llc).

What NSN replaces 5330-01-618-5677?

There are 5 known substitutes for 5330-01-618-5677: 5925-00-223-1842, 5330-00-571-9699, 5935-00-830-6348 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300.558?

Key specifications for 300.558: End Item Identification: A-405TNZ-43. 1 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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