PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8018Cover,valve

Essex Industries, Inc. Dba Essex Industries · NSN 1660-00-518-5222 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-518-5222 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-518-5222. Primary manufacturer part number: 8018.
Features
  • Cover,valve — FSC 1660
  • 1 verified cross-reference
  • Primary manufacturer: Essex Industries, Inc. Dba Essex Industries
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cover,valve, cataloged under National Stock Number 1660-00-518-5222, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCover,valve
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersEssex Industries, Inc. Dba Essex Industries (CAGE 88535)
Technical Specifications
ParameterValue
NSN1660-00-518-5222
Primary Part Number8018
Item NameCover,valve
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-059-3113 INTERCHANGEABLE
O-Ring
5940-00-204-5088 INTERCHANGEABLE
Terminal,lug
3455-00-222-922111670 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
2805-00-705-30678018 INTERCHANGEABLE
Piston,internal Combustion Engin
M & S Cartage Inc
5120-00-727-4621 INTERCHANGEABLE
Adapter,mechanical Puller
5325-00-804-1513 INTERCHANGEABLE
Ring,retaining
4720-00-829-5400801-8 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
6110-01-007-7338 INTERCHANGEABLE
Motor Starter,manua
6685-01-016-13148018 INTERCHANGEABLE
Altimeter,pressurized Compartmen
Horizon Aerospace Llc Dba Transicoil
6240-01-029-8650 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
8018 PRIMARY Essex Industries, Inc. Dba Essex Industries (USA)
Related Parts
5331-00-059-3113INTERCHANGEABLE
O-RING
5940-00-204-5088INTERCHANGEABLE
TERMINAL,LUG
3455-00-222-9221INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11670
2805-00-705-3067INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
8018
5120-00-727-4621INTERCHANGEABLE
ADAPTER,MECHANICAL PULLER
5325-00-804-1513INTERCHANGEABLE
RING,RETAINING
4720-00-829-5400INTERCHANGEABLE
HOSE,NONMETALLIC
801-8
6110-01-007-7338INTERCHANGEABLE
MOTOR STARTER,MANUA
6685-01-016-1314INTERCHANGEABLE
ALTIMETER,PRESSURIZED COMPARTMEN
8018
6240-01-029-8650INTERCHANGEABLE
LAMP,INCANDESCENT
7520-01-207-4111INTERCHANGEABLE
RUBBER STAMP,FIXED TYPE
8018
5930-01-277-6068INTERCHANGEABLE
PUSH BUTTON

Frequently Asked Questions

What is NSN 1660-00-518-5222?

NSN 1660-00-518-5222 is a Cover,valve, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-518-5222?

NSN 1660-00-518-5222 has 1 cross-referenced part number: 8018 (Essex Industries, Inc. Dba Essex Industries).

What NSN replaces 1660-00-518-5222?

There are 12 known substitutes for 1660-00-518-5222: 5331-00-059-3113, 5940-00-204-5088, 3455-00-222-9221 and 9 more. Verify interchangeability with system specifications before substitution.

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