PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-45117-1Ring Assembly,lock

The Boeing Company Div Defense · NSN 1620-00-216-1383 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-00-216-1383 — this item is cataloged by the U.S. Government under National Stock Number 1620-00-216-1383. Primary manufacturer part number: 20-45117-1.
Features
  • Ring Assembly,lock — FSC 1620
  • 2 verified cross-references
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Assembly,lock, cataloged under National Stock Number 1620-00-216-1383, is classified within Federal Supply Class 1620 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is The Boeing Company Div Defense. 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: Active.

Catalog Facts
Item NameRing Assembly,lock
FSC / FSG1620 — No Item Name Available (FSG 16)
ManufacturersHoneywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (CAGE 55284); The Boeing Company Div Defense (CAGE 76301)
Technical Specifications
ParameterValue
NSN1620-00-216-1383
Primary Part Number20-45117-1
Item NameRing Assembly,lock
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-234-019910674019 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
163520 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
20-45117-1 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
5950-00-234-0199INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
10674019

Frequently Asked Questions

What is NSN 1620-00-216-1383?

NSN 1620-00-216-1383 is a Ring Assembly,lock, manufactured by The Boeing Company Div Defense, classified under FSC 1620 (No Item Name Available). Status: active.

What are the part numbers for NSN 1620-00-216-1383?

NSN 1620-00-216-1383 has 2 cross-referenced part numbers: 163520 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)), 20-45117-1 (The Boeing Company Div Defense).

What NSN replaces 1620-00-216-1383?

There is 1 known substitute for 1620-00-216-1383: 5950-00-234-0199. Verify interchangeability with system specifications before substitution.

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