PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

135143Retainer,bearing,ai

Honeywell International, Inc Div Aerospace-Tucson · NSN 1660-00-345-4507 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-345-4507 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-345-4507. Primary manufacturer part number: 135143.
Features
  • Retainer,bearing,ai — FSC 1660
  • 3 verified cross-references
  • Primary manufacturer: Honeywell International, Inc Div Aerospace-Tucson
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Retainer,bearing,ai, cataloged under National Stock Number 1660-00-345-4507, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. This item has 3 commercial cross-references from 3 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 NameRetainer,bearing,ai
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersAlliedsignal Inc Dba Allied-Signal Aerospace Co (CAGE 72599); Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210); Honeywell International, Inc Div Aerospace-Tucson (CAGE 64547)
Technical Specifications
ParameterValue
NSN1660-00-345-4507
Primary Part Number135143
Item NameRetainer,bearing,ai
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-00-024-0354 INTERCHANGEABLE
Driver Head,valve Seat Ring Inse
Cross-Reference Index
Part NumberManufacturer
135143 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
135143 Honeywell International Inc. Div Aerospace - Torrance (USA)
135143 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
Related Parts
5120-00-024-0354INTERCHANGEABLE
DRIVER HEAD,VALVE SEAT RING INSE

Frequently Asked Questions

What is NSN 1660-00-345-4507?

NSN 1660-00-345-4507 is a Retainer,bearing,ai, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-345-4507?

NSN 1660-00-345-4507 has 3 cross-referenced part numbers: 135143 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 135143 (Honeywell International Inc. Div Aerospace - Torrance), 135143 (Honeywell International, Inc Div Aerospace-Tucson).

What NSN replaces 1660-00-345-4507?

There is 1 known substitute for 1660-00-345-4507: 5120-00-024-0354. Verify interchangeability with system specifications before substitution.

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