PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21705Knob

Raytheon Company Dba Raytheon · NSN 5355-00-284-5930 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-284-5930 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-284-5930. Primary manufacturer part number: 21705.
Features
  • Knob — FSC 5355
  • Style Designator: ROUND
  • Overall Thickness: 0.312 INCHES NOMINAL IN
  • Attachment Method: SETSCREWS
  • Screw Drive Type: CROSS RECESS TYPE 1
  • Material: ALUMINUM ALLOY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SCREW HOLE
  • Nominal Thread Size: 0.138 INCHES SCREW HOLE IN
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Knob, cataloged under National Stock Number 5355-00-284-5930, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5355-00-284-5930
Primary Part Number21705
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Style DesignatorROUND
Overall Thickness0.312 INCHES NOMINAL IN
Attachment MethodSETSCREWS
Screw Drive TypeCROSS RECESS TYPE 1
MaterialALUMINUM ALLOY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
Nominal Thread Size0.138 INCHES SCREW HOLE IN
Surface TreatmentANODIZE
Outside Diameter0.500 INCHES NOMINAL IN
Gripping Surface ConditionGRIP AID
Reference MarkingARROW
ColorBLACK
Inside Diameter0.250 INCHES NOMINAL IN
Shaft Accommodation StyleROUND
Thread Quantity Per Inch32 SCREW HOLE
Setscrew Hole Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5120-00-293-0791 INTERCHANGEABLE
Punch,drive Pin
6685-00-718-095121705 INTERCHANGEABLE
Harness Assy,thermo
Engelhard Corp Specialty Div
5136-00-729-5687 INTERCHANGEABLE
Tap,thread Cutting
5998-01-073-6894 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
33607 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
336A107 Motorola Inc. Dba Integrated Information Systems Group (USA)
21705 PRIMARY Raytheon Company Dba Raytheon (USA)
336A107 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
33607 Motorola Inc. Dba Integrated Information Systems Group (USA)
SB30029 PRIMARY Raytheon Company Div Corp (USA)
Related Parts
5120-00-293-0791INTERCHANGEABLE
PUNCH,DRIVE PIN
6685-00-718-0951INTERCHANGEABLE
HARNESS ASSY,THERMO
21705
5136-00-729-5687INTERCHANGEABLE
TAP,THREAD CUTTING
5998-01-073-6894INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 5355-00-284-5930?

NSN 5355-00-284-5930 is a Knob, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-284-5930?

NSN 5355-00-284-5930 has 6 cross-referenced part numbers: 33607 (General Dynamics Mission Systems, Inc. Dba Gdms), 336A107 (Motorola Inc. Dba Integrated Information Systems Group), 21705 (Raytheon Company Dba Raytheon), 336A107 (General Dynamics Mission Systems, Inc. Dba Gdms), 33607 (Motorola Inc. Dba Integrated Information Systems Group) and 1 more.

What NSN replaces 5355-00-284-5930?

There are 4 known substitutes for 5355-00-284-5930: 5120-00-293-0791, 6685-00-718-0951, 5136-00-729-5687 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21705?

Key specifications for 21705: Style Designator: ROUND; Overall Thickness: 0.312 INCHES NOMINAL IN; Attachment Method: SETSCREWS; Screw Drive Type: CROSS RECESS TYPE 1. 17 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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