PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63239Knob

Tycos Instruments Inc a Welch Allyn Co · NSN 5355-01-144-5288 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-01-144-5288 — this item is cataloged by the U.S. Government under National Stock Number 5355-01-144-5288. Primary manufacturer part number: 63239.
Features
  • Knob — FSC 5355
  • Distance From Hole Center to Knob/skirt Base: 0.375 INCHES NOMINAL IN
  • Screw Drive Type: HEXAGON SOCKET
  • Material Transparency: OPAQUE
  • Overall Thickness: 0.687 INCHES NOMINAL IN
  • Attachment Method: SETSCREWS
  • Skirt Outside Diameter: 1.156 INCHES NOMINAL IN
  • Material: PLASTIC POLYAMIDE NYLON AND ALUMINUM
Applications
  • Applications requiring Plastic Polyamide Nylon and Aluminum construction
General Description

The Knob, cataloged under National Stock Number 5355-01-144-5288, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tycos Instruments Inc a Welch Allyn Co. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5355-01-144-5288
Primary Part Number63239
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerTycos Instruments Inc a Welch Allyn Co
StatusACTIVE
Distance From Hole Center to Knob/skirt Base0.375 INCHES NOMINAL IN
Screw Drive TypeHEXAGON SOCKET
Material TransparencyOPAQUE
Overall Thickness0.687 INCHES NOMINAL IN
Attachment MethodSETSCREWS
Skirt Outside Diameter1.156 INCHES NOMINAL IN
MaterialPLASTIC POLYAMIDE NYLON AND ALUMINUM
Style DesignatorROUND
ColorBLACK
Thread Series DesignatorUNF SCREW HOLE
Skirt DesignNONDETACHABLE
Shaft Accommodation StyleROUND
Outside Diameter1.156 INCHES NOMINAL IN
Gripping Surface ConditionGRIP AID
Reference MarkingINDICATING LINE
Skirt StyleFLARED
Inside Diameter0.250 INCHES NOMINAL IN
Setscrew Hole Quantity2
Thread Quantity Per Inch32 SCREW HOLE
Nominal Thread Size0.190 INCHES SCREW HOLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-158-926363239 INTERCHANGEABLE
Reactor
Magnetika Inc
4820-01-286-762763239 INTERCHANGEABLE
Parts Kit,pressure Regulating VA
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
63239 Tycos Instruments Inc a Welch Allyn Co (USA)
Related Parts
5950-00-158-9263INTERCHANGEABLE
REACTOR
63239
4820-01-286-7627INTERCHANGEABLE
PARTS KIT,PRESSURE REGULATING VA
63239

Frequently Asked Questions

What is NSN 5355-01-144-5288?

NSN 5355-01-144-5288 is a Knob, manufactured by Tycos Instruments Inc a Welch Allyn Co, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-01-144-5288?

NSN 5355-01-144-5288 has 1 cross-referenced part number: 63239 (Tycos Instruments Inc a Welch Allyn Co).

What NSN replaces 5355-01-144-5288?

There are 2 known substitutes for 5355-01-144-5288: 5950-00-158-9263, 4820-01-286-7627. Verify interchangeability with system specifications before substitution.

What are the specifications of 63239?

Key specifications for 63239: Distance From Hole Center to Knob/skirt Base: 0.375 INCHES NOMINAL IN; Screw Drive Type: HEXAGON SOCKET; Material Transparency: OPAQUE; End Item Identification: 6530-01-128-9481. 22 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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