PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

906-8657-3Balanceweight

Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div · NSN 6670-01-345-9259 · FSC 6670 · No Item Name Available
Verified by PartsTable
NSN 6670-01-345-9259 — this item is cataloged by the U.S. Government under National Stock Number 6670-01-345-9259. Primary manufacturer part number: 906-8657-3.
Features
  • Balanceweight — FSC 6670
  • 3 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Balanceweight, cataloged under National Stock Number 6670-01-345-9259, is classified within Federal Supply Class 6670 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBalanceweight
FSC / FSG6670 — No Item Name Available (FSG 66)
ManufacturersHoneywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div (CAGE 99866); Environmental Equipments Ltd (CAGE K8027)
Technical Specifications
ParameterValue
NSN6670-01-345-9259
Primary Part Number906-8657-3
Item NameBalanceweight
FSC / FSG6670 / 66 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5365-00-142-177886573 INTERCHANGEABLE
Plug,machine Thread
Honeywell International Inc. Div Aerospace - Torrance
3455-00-190-8407 INTERCHANGEABLE
Cutter Bit,tool Holder
5325-00-290-4521MS122122 INTERCHANGEABLE
Insert,screw Thread
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
8657-3 Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div (USA)
906-8657-3 PRIMARY Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div (USA)
568-8657C Environmental Equipments Ltd (GBR)
Related Parts
5365-00-142-1778INTERCHANGEABLE
PLUG,MACHINE THREAD
86573
3455-00-190-8407INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
5325-00-290-4521INTERCHANGEABLE
INSERT,SCREW THREAD
MS122122

Frequently Asked Questions

What is NSN 6670-01-345-9259?

NSN 6670-01-345-9259 is a Balanceweight, manufactured by Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div, classified under FSC 6670 (No Item Name Available). Status: active.

What are the part numbers for NSN 6670-01-345-9259?

NSN 6670-01-345-9259 has 3 cross-referenced part numbers: 8657-3 (Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div), 906-8657-3 (Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div), 568-8657C (Environmental Equipments Ltd).

What NSN replaces 6670-01-345-9259?

There are 3 known substitutes for 6670-01-345-9259: 5365-00-142-1778, 3455-00-190-8407, 5325-00-290-4521. Verify interchangeability with system specifications before substitution.

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