PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

670643Knob

Stewart-Warner Corporation · NSN 5355-00-644-4155 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-644-4155 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-644-4155. Primary manufacturer part number: 670643.
Features
  • Knob — FSC 5355
  • Overall Thickness: 0.594 INCHES NOMINAL IN
  • Length: 1.375 INCHES NOMINAL IN
  • Width: 0.312 INCHES NOMINAL IN
  • Style Designator: BAR
  • Color: NATURAL
  • Inside Width: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
  • Shaft Accommodation Style: FLATTED, TWO SIDES PARALLEL
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Knob, cataloged under National Stock Number 5355-00-644-4155, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stewart-Warner Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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: Cancelled.

Technical Specifications
ParameterValue
NSN5355-00-644-4155
Primary Part Number670643
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerStewart-Warner Corporation
StatusCANCELLED
Overall Thickness0.594 INCHES NOMINAL IN
Length1.375 INCHES NOMINAL IN
Width0.312 INCHES NOMINAL IN
Style DesignatorBAR
ColorNATURAL
Inside Width0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Shaft Accommodation StyleFLATTED, TWO SIDES PARALLEL
Shank Diameter2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN
Shank StyleSTRAIGHT
Inside Diameter0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
Shank Length0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
Attachment MethodHOLE
Gripping Surface ConditionSMOOTH
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5315-00-393-40326-7064-3 INTERCHANGEABLE
Pin,straight,headed
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
670643 Stewart-Warner Corporation (USA)
X486CHANGEGPT3 Southco Inc (USA)
Related Parts
5315-00-393-4032INTERCHANGEABLE
PIN,STRAIGHT,HEADED
6-7064-3

Frequently Asked Questions

What is NSN 5355-00-644-4155?

NSN 5355-00-644-4155 is a Knob, manufactured by Stewart-Warner Corporation, classified under FSC 5355 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5355-00-644-4155?

NSN 5355-00-644-4155 has 2 cross-referenced part numbers: 670643 (Stewart-Warner Corporation), X486CHANGEGPT3 (Southco Inc).

What NSN replaces 5355-00-644-4155?

There is 1 known substitute for 5355-00-644-4155: 5315-00-393-4032. Verify interchangeability with system specifications before substitution.

What are the specifications of 670643?

Key specifications for 670643: Overall Thickness: 0.594 INCHES NOMINAL IN; Length: 1.375 INCHES NOMINAL IN; Width: 0.312 INCHES NOMINAL IN; Style Designator: BAR. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5355-00-644-4155 still in active supply?

NSN 5355-00-644-4155 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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