PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300.555Gasket

Ward Leonard Ct Llc · NSN 5330-01-617-8958 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-617-8958 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-617-8958. Primary manufacturer part number: 300.555.
Features
  • Gasket — FSC 5330
  • 2 verified cross-references
  • 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 5330-01-617-8958, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGasket
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersMawdsleys Ltd (CAGE U0480); Ward Leonard Ct Llc (CAGE 63743)
Technical Specifications
ParameterValue
NSN5330-01-617-8958
Primary Part Number300.555
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5320-00-136-2915HL94-5 INTERCHANGEABLE
Collar,pin-Rivet
Hi-Shear Corporation
5935-00-866-5894220-1586-050 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4310-01-094-0506 INTERCHANGEABLE
Needle,vacuum Pump
5930-01-123-9508TS60B INTERCHANGEABLE
Switch,thermostatic
Therm-O-Disc Inc Sub of Emerson Electric Co
Cross-Reference Index
Part NumberManufacturer
300.555 Mawdsleys Ltd (GBR)
300.555 PRIMARY Ward Leonard Ct Llc (USA)
Related Parts
5320-00-136-2915INTERCHANGEABLE
COLLAR,PIN-RIVET
HL94-5
5935-00-866-5894INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
220-1586-050
4310-01-094-0506INTERCHANGEABLE
NEEDLE,VACUUM PUMP
5930-01-123-9508INTERCHANGEABLE
SWITCH,THERMOSTATIC
TS60B

Frequently Asked Questions

What is NSN 5330-01-617-8958?

NSN 5330-01-617-8958 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 5330-01-617-8958?

NSN 5330-01-617-8958 has 2 cross-referenced part numbers: 300.555 (Mawdsleys Ltd), 300.555 (Ward Leonard Ct Llc).

What NSN replaces 5330-01-617-8958?

There are 4 known substitutes for 5330-01-617-8958: 5320-00-136-2915, 5935-00-866-5894, 4310-01-094-0506 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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