PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666193-949Knob

Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc · NSN 5355-00-865-2740 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-865-2740 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-865-2740. Primary manufacturer part number: 666193-949.
Features
  • Knob — FSC 5355
  • Gripping Surface Condition: SMOOTH
  • Inside Diameter: 0.250 INCHES NOMINAL IN
  • Color: BLACK
  • Style Designator: ROUND
  • Attachment Method: SETSCREWS
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MARKING
  • Overall Thickness: 0.805 INCHES NOMINAL IN
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Knob, cataloged under National Stock Number 5355-00-865-2740, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc. Government technical data includes 13 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5355-00-865-2740
Primary Part Number666193-949
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
StatusACTIVE
Gripping Surface ConditionSMOOTH
Inside Diameter0.250 INCHES NOMINAL IN
ColorBLACK
Style DesignatorROUND
Attachment MethodSETSCREWS
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MARKING
Overall Thickness0.805 INCHES NOMINAL IN
Screw Drive TypeHEXAGON SOCKET
Outside Diameter0.708 INCHES NOMINAL IN
Reference MarkingSINGLE LINE
Setscrew Hole Quantity2
Shaft Accommodation StyleROUND
Shank StyleSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5355-00-075-7449A538-195 INTERCHANGEABLE
Knob
Electronic Hardware Corp Panel Products Div
5355-00-556-0151MS91528-1D2B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
666193-949 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
70-2-2G Raytheon Company Dba Raytheon Co (USA)
70-2-2G Raytheon Company Div Corp (USA)
Related Parts
5355-00-075-7449INTERCHANGEABLE
KNOB
A538-195
5355-00-556-0151INTERCHANGEABLE
KNOB
MS91528-1D2B

Frequently Asked Questions

What is NSN 5355-00-865-2740?

NSN 5355-00-865-2740 is a Knob, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-865-2740?

NSN 5355-00-865-2740 has 3 cross-referenced part numbers: 666193-949 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 70-2-2G (Raytheon Company Dba Raytheon Co), 70-2-2G (Raytheon Company Div Corp).

What NSN replaces 5355-00-865-2740?

There are 2 known substitutes for 5355-00-865-2740: 5355-00-075-7449, 5355-00-556-0151. Verify interchangeability with system specifications before substitution.

What are the specifications of 666193-949?

Key specifications for 666193-949: Gripping Surface Condition: SMOOTH; Inside Diameter: 0.250 INCHES NOMINAL IN; Color: BLACK; Style Designator: ROUND. 14 total characteristics are documented in the Federal Logistics Information System.

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