PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-172Shaft Assembly,flexible

Vic Mfg Co · NSN 6680-00-426-0918 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-426-0918 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-426-0918. Primary manufacturer part number: 8-172.
Features
  • Shaft Assembly,flexible — FSC 6680
  • Thread Length: 0.875 INCHES NOMINAL FIRST END IN
  • Thread Location: INTERNAL FIRST END
  • Thread Class: 2B FIRST END
  • Surface Treatment: ZINC CASING
  • End Connection Type: THREADED INTERNAL FIRST END
  • Core Overall Length: 100.000 INCHES NOMINAL IN
  • Screw Thread Series Designator: UNS FIRST END
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft Assembly,flexible, cataloged under National Stock Number 6680-00-426-0918, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Vic Mfg Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6680-00-426-0918
Primary Part Number8-172
Item NameShaft Assembly,flexible
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerVic Mfg Co
StatusCANCELLED
Thread Length0.875 INCHES NOMINAL FIRST END IN
Thread LocationINTERNAL FIRST END
Thread Class2B FIRST END
Surface TreatmentZINC CASING
End Connection TypeTHREADED INTERNAL FIRST END
Core Overall Length100.000 INCHES NOMINAL IN
Screw Thread Series DesignatorUNS FIRST END
Thread DirectionRIGHT-HAND FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-022-00688P5 INTERCHANGEABLE
Nut,plain,hexagon
Eaton Corporation
5355-00-074-40455020-5622 INTERCHANGEABLE
Knob
Philips North America Llc Dba Philips Healthcare
5120-00-261-2843J5772 INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
4820-00-336-5227G103,P/N 140 INTERCHANGEABLE
Stem,fluid Valve
M.t. Davidson Company
3530-00-363-8787 INTERCHANGEABLE
Sewing Machine,industrial
2940-00-374-772451503 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
2825-00-446-9255D15-653BPC711-712 INTERCHANGEABLE
Bushing with Key
Northrop Grumman Systems Corporation Div Marine Systems
5960-00-985-9089 INTERCHANGEABLE
Electron Tube
5120-01-065-6783 INTERCHANGEABLE
Hook,manhole Cover,hand
6145-01-256-04639393 INTERCHANGEABLE
Cable,special Purpose,electrical
General Wire Products, Inc. Dba General Wire Products Inc
Cross-Reference Index
Part NumberManufacturer
8-172 Vic Mfg Co (USA)
P52 Rosco Mfg Co (USA)
95000-100 Stewart-Warner Corporation (USA)
Related Parts
5310-00-022-0068INTERCHANGEABLE
NUT,PLAIN,HEXAGON
8P5
5355-00-074-4045INTERCHANGEABLE
KNOB
5020-5622
5120-00-261-2843INTERCHANGEABLE
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J5772
4820-00-336-5227INTERCHANGEABLE
STEM,FLUID VALVE
G103,P/N 140
3530-00-363-8787INTERCHANGEABLE
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2940-00-374-7724INTERCHANGEABLE
FILTER ELEMENT,FLUID
51503
2825-00-446-9255INTERCHANGEABLE
BUSHING WITH KEY
D15-653BPC711-712
5960-00-985-9089INTERCHANGEABLE
ELECTRON TUBE
5120-01-065-6783INTERCHANGEABLE
HOOK,MANHOLE COVER,HAND
6145-01-256-0463INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
9393
5120-01-266-5790INTERCHANGEABLE
PUNCH,DRIVE PIN
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Frequently Asked Questions

What is NSN 6680-00-426-0918?

NSN 6680-00-426-0918 is a Shaft Assembly,flexible, manufactured by Vic Mfg Co, classified under FSC 6680 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6680-00-426-0918?

NSN 6680-00-426-0918 has 3 cross-referenced part numbers: 8-172 (Vic Mfg Co), P52 (Rosco Mfg Co), 95000-100 (Stewart-Warner Corporation).

What NSN replaces 6680-00-426-0918?

There are 12 known substitutes for 6680-00-426-0918: 5310-00-022-0068, 5355-00-074-4045, 5120-00-261-2843 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-172?

Key specifications for 8-172: Thread Length: 0.875 INCHES NOMINAL FIRST END IN; Thread Location: INTERNAL FIRST END; Thread Class: 2B FIRST END; Surface Treatment: ZINC CASING. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6680-00-426-0918 still in active supply?

NSN 6680-00-426-0918 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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