PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1990Cover,actuator

Simmonds Precision Products Inc · NSN 1660-00-997-9303 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-997-9303 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-997-9303. Primary manufacturer part number: S1990.
Features
  • Cover,actuator — FSC 1660
  • 1 verified cross-reference
  • Primary manufacturer: Simmonds Precision Products Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,actuator, cataloged under National Stock Number 1660-00-997-9303, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Simmonds Precision Products Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCover,actuator
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersSimmonds Precision Products Inc (CAGE 12511)
Technical Specifications
ParameterValue
NSN1660-00-997-9303
Primary Part NumberS1990
Item NameCover,actuator
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerSimmonds Precision Products Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-595-3108216P-8 INTERCHANGEABLE
Nipple,pipe
Parker-Hannifin Corp Div Fluid System Connector Division
Cross-Reference Index
Part NumberManufacturer
S1990 PRIMARY Simmonds Precision Products Inc (USA)
Related Parts
4730-00-595-3108INTERCHANGEABLE
NIPPLE,PIPE
216P-8

Frequently Asked Questions

What is NSN 1660-00-997-9303?

NSN 1660-00-997-9303 is a Cover,actuator, manufactured by Simmonds Precision Products Inc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-997-9303?

NSN 1660-00-997-9303 has 1 cross-referenced part number: S1990 (Simmonds Precision Products Inc).

What NSN replaces 1660-00-997-9303?

There is 1 known substitute for 1660-00-997-9303: 4730-00-595-3108. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com