PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25229Plate,retaining Upp

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-00-736-7921 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-736-7921 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-736-7921. Primary manufacturer part number: 25229.
Features
  • Plate,retaining Upp — FSC 1660
  • 1 verified cross-reference
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Plate,retaining Upp, cataloged under National Stock Number 1660-00-736-7921, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlate,retaining Upp
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersAvox Systems Inc Dba Avox Systems Inc (CAGE 53655)
Technical Specifications
ParameterValue
NSN1660-00-736-7921
Primary Part Number25229
Item NamePlate,retaining Upp
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5945-00-023-1772 INTERCHANGEABLE
Contact Set,relay
4920-00-567-830925229 INTERCHANGEABLE
Fixture,fuel System Components,a
Collins Engine Nozzles, Inc
4730-00-963-8331 INTERCHANGEABLE
Nozzle
5305-01-025-436625229 INTERCHANGEABLE
Setscrew
Setra Systems, Inc. Dba Gems Sensors
5310-01-467-620325229-9 INTERCHANGEABLE
Washer,flat
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
5306-01-467-784125229-7 INTERCHANGEABLE
Bolt,eccentric Head
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
25229 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
5945-00-023-1772INTERCHANGEABLE
CONTACT SET,RELAY
4920-00-567-8309INTERCHANGEABLE
FIXTURE,FUEL SYSTEM COMPONENTS,A
25229
4730-00-963-8331INTERCHANGEABLE
NOZZLE
5305-01-025-4366INTERCHANGEABLE
SETSCREW
25229
5310-01-467-6203INTERCHANGEABLE
WASHER,FLAT
25229-9
5306-01-467-7841INTERCHANGEABLE
BOLT,ECCENTRIC HEAD
25229-7

Frequently Asked Questions

What is NSN 1660-00-736-7921?

NSN 1660-00-736-7921 is a Plate,retaining Upp, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-736-7921?

NSN 1660-00-736-7921 has 1 cross-referenced part number: 25229 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 1660-00-736-7921?

There are 6 known substitutes for 1660-00-736-7921: 5945-00-023-1772, 4920-00-567-8309, 4730-00-963-8331 and 3 more. Verify interchangeability with system specifications before substitution.

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