PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

162-321Gear Assembly

Avien Inc · NSN 6685-00-216-6548 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-216-6548 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-216-6548. Primary manufacturer part number: 162-321.
Features
  • Gear Assembly — FSC 6685
  • 2 verified cross-references
  • Primary manufacturer: Avien Inc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Assembly, cataloged under National Stock Number 6685-00-216-6548, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Avien Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-216-6548
Primary Part Number162-321
Item NameGear Assembly
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAvien Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5950-00-481-9272481051-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
162-321 Avien Inc
6680M232158 Us Army Aviation and Missile Command (USA)
Related Parts
5950-00-481-9272INTERCHANGEABLE
REACTOR
481051-1

Frequently Asked Questions

What is NSN 6685-00-216-6548?

NSN 6685-00-216-6548 is a Gear Assembly, manufactured by Avien Inc, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-216-6548?

NSN 6685-00-216-6548 has 2 cross-referenced part numbers: 162-321 (Avien Inc), 6680M232158 (Us Army Aviation and Missile Command).

What NSN replaces 6685-00-216-6548?

There is 1 known substitute for 6685-00-216-6548: 5950-00-481-9272. Verify interchangeability with system specifications before substitution.

What are the specifications of 162-321?

Key specifications for 162-321: End Item Identification: 6680005094081. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-216-6548 still in active supply?

NSN 6685-00-216-6548 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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