PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204-53Movement

Alcor Aviation Inc Avtec Div · NSN 6685-00-434-4252 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-434-4252 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-434-4252. Primary manufacturer part number: 204-53.
Features
  • Movement — 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 Movement, cataloged under National Stock Number 6685-00-434-4252, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMovement
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersAlcor Aviation Inc Avtec Div (CAGE 21207)
Technical Specifications
ParameterValue
NSN6685-00-434-4252
Primary Part Number204-53
Item NameMovement
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAlcor Aviation Inc Avtec Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6695-00-504-2866 INTERCHANGEABLE
Panel,indicator
1660-00-677-2048 INTERCHANGEABLE
Disconnect Assembly,container to
3510-01-162-2426 INTERCHANGEABLE
Disc,friction
5340-01-210-491820453 INTERCHANGEABLE
Plug,vent
Twg Canada Consolidated Inc
5330-01-215-5156N20453 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-01-223-96592045-3 INTERCHANGEABLE
Coupling,pipe
B/e Aerospace, Inc.
5331-01-614-0063N0406-60-2-008 INTERCHANGEABLE
O-Ring
Naval Inventory Control Point Mechanicsburg
Cross-Reference Index
Part NumberManufacturer
204-53 Alcor Aviation Inc Avtec Div (USA)
Related Parts
6695-00-504-2866INTERCHANGEABLE
PANEL,INDICATOR
1660-00-677-2048INTERCHANGEABLE
DISCONNECT ASSEMBLY,CONTAINER TO
3510-01-162-2426INTERCHANGEABLE
DISC,FRICTION
5340-01-210-4918INTERCHANGEABLE
PLUG,VENT
20453
5330-01-215-5156INTERCHANGEABLE
GASKET
N20453
4730-01-223-9659INTERCHANGEABLE
COUPLING,PIPE
2045-3
5331-01-614-0063INTERCHANGEABLE
O-RING
N0406-60-2-008

Frequently Asked Questions

What is NSN 6685-00-434-4252?

NSN 6685-00-434-4252 is a Movement, manufactured by Alcor Aviation Inc Avtec Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-434-4252?

NSN 6685-00-434-4252 has 1 cross-referenced part number: 204-53 (Alcor Aviation Inc Avtec Div).

What NSN replaces 6685-00-434-4252?

There are 7 known substitutes for 6685-00-434-4252: 6695-00-504-2866, 1660-00-677-2048, 3510-01-162-2426 and 4 more. Verify interchangeability with system specifications before substitution.

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