PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-616Seal,plain

Cunico Corporation · NSN 5330-01-143-6579 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-143-6579 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-143-6579. Primary manufacturer part number: 18-616.
Features
  • Seal,plain — FSC 5330
  • 4 verified cross-references
  • Primary manufacturer: Cunico Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-143-6579, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cunico Corporation. This item has 4 commercial cross-references from 1 manufacturer, 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 NameSeal,plain
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersCunico Corporation (CAGE 53424)
Technical Specifications
ParameterValue
NSN5330-01-143-6579
Primary Part Number18-616
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCunico Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-063-898710006293 INTERCHANGEABLE
Nut,plain,hexagon
Us Army Aviation and Missile Command
5365-00-541-651742A326 INTERCHANGEABLE
Plug,machine Thread
Heil Environmental Industries
4940-01-601-397618616 INTERCHANGEABLE
Repair Kit,electrical System
Teledyne Flir Unmanned Ground Systems, Inc
5120-01-648-1768 INTERCHANGEABLE
Key,socket Head Screw
Cross-Reference Index
Part NumberManufacturer
18-616 PRIMARY Cunico Corporation (USA)
BB-1733 Cunico Corporation (USA)
DD-4525 ITEM NO 10 Cunico Corporation (USA)
DD-1754-5 Cunico Corporation (USA)
Related Parts
5310-00-063-8987INTERCHANGEABLE
NUT,PLAIN,HEXAGON
10006293
5365-00-541-6517INTERCHANGEABLE
PLUG,MACHINE THREAD
42A326
4940-01-601-3976INTERCHANGEABLE
REPAIR KIT,ELECTRICAL SYSTEM
18616
5120-01-648-1768INTERCHANGEABLE
KEY,SOCKET HEAD SCREW

Frequently Asked Questions

What is NSN 5330-01-143-6579?

NSN 5330-01-143-6579 is a Seal,plain, manufactured by Cunico Corporation, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-143-6579?

NSN 5330-01-143-6579 has 4 cross-referenced part numbers: 18-616 (Cunico Corporation), BB-1733 (Cunico Corporation), DD-4525 ITEM NO 10 (Cunico Corporation), DD-1754-5 (Cunico Corporation).

What NSN replaces 5330-01-143-6579?

There are 4 known substitutes for 5330-01-143-6579: 5310-00-063-8987, 5365-00-541-6517, 4940-01-601-3976 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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