PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204-85Cover

Alcor Aviation Inc Avtec Div · NSN 6685-00-445-0385 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-445-0385 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-445-0385. Primary manufacturer part number: 204-85.
Features
  • Cover — FSC 6685
  • 1 verified cross-reference
  • Primary manufacturer: Alcor Aviation Inc Avtec Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover, cataloged under National Stock Number 6685-00-445-0385, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Alcor Aviation Inc Avtec Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCover
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersAlcor Aviation Inc Avtec Div (CAGE 21207)
Technical Specifications
ParameterValue
NSN6685-00-445-0385
Primary Part Number204-85
Item NameCover
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAlcor Aviation Inc Avtec Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-197-5257390013PC485 INTERCHANGEABLE
Washer,flat
Naval Ship Systems Command
5330-00-383-8702Y400B00320 INTERCHANGEABLE
Gasket
Sealcraft Corporation
1650-01-309-748520485 INTERCHANGEABLE
Servovalve,hydraulic
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
204-85 Alcor Aviation Inc Avtec Div (USA)
Related Parts
5310-00-197-5257INTERCHANGEABLE
WASHER,FLAT
390013PC485
5330-00-383-8702INTERCHANGEABLE
GASKET
Y400B00320
1650-01-309-7485INTERCHANGEABLE
SERVOVALVE,HYDRAULIC
20485

Frequently Asked Questions

What is NSN 6685-00-445-0385?

NSN 6685-00-445-0385 is a Cover, manufactured by Alcor Aviation Inc Avtec Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-445-0385?

NSN 6685-00-445-0385 has 1 cross-referenced part number: 204-85 (Alcor Aviation Inc Avtec Div).

What NSN replaces 6685-00-445-0385?

There are 3 known substitutes for 6685-00-445-0385: 5310-00-197-5257, 5330-00-383-8702, 1650-01-309-7485. Verify interchangeability with system specifications before substitution.

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