PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

STD622Knob

Mason Electric Co. Dba Mason Controls · NSN 5355-00-478-0508 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-478-0508 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-478-0508. Primary manufacturer part number: STD622.
Features
  • Knob — FSC 5355
  • Shank Style: STRAIGHT
  • Gripping Surface Condition: GRIP AID
  • Length: 0.880 INCHES NOMINAL IN
  • Color: BLACK
  • Attachment Method: PRESS FIT
  • Style Designator: BAR
  • Overall Thickness: 0.580 INCHES NOMINAL IN
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Knob, cataloged under National Stock Number 5355-00-478-0508, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mason Electric Co. Dba Mason Controls. Government technical data includes 12 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
NSN5355-00-478-0508
Primary Part NumberSTD622
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerMason Electric Co. Dba Mason Controls
StatusCANCELLED
Shank StyleSTRAIGHT
Gripping Surface ConditionGRIP AID
Length0.880 INCHES NOMINAL IN
ColorBLACK
Attachment MethodPRESS FIT
Style DesignatorBAR
Overall Thickness0.580 INCHES NOMINAL IN
Shaft Accommodation StyleROUND
Inside Diameter0.196 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN
Shank Length0.270 INCHES NOMINAL IN
Shank Diameter0.250 INCHES NOMINAL IN
Width0.700 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5961-00-952-10781912-0004 INTERCHANGEABLE
Semiconductor Device,diode
Hewlett-Packard Company Dba HP
Cross-Reference Index
Part NumberManufacturer
STD622 PRIMARY Mason Electric Co. Dba Mason Controls (USA)
B-101280-12 Electronic Hardware Corp Dba Electronic Hardware Corp (USA)
Related Parts
5961-00-952-1078INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1912-0004

Frequently Asked Questions

What is NSN 5355-00-478-0508?

NSN 5355-00-478-0508 is a Knob, manufactured by Mason Electric Co. Dba Mason Controls, classified under FSC 5355 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5355-00-478-0508?

NSN 5355-00-478-0508 has 2 cross-referenced part numbers: STD622 (Mason Electric Co. Dba Mason Controls), B-101280-12 (Electronic Hardware Corp Dba Electronic Hardware Corp).

What NSN replaces 5355-00-478-0508?

There is 1 known substitute for 5355-00-478-0508: 5961-00-952-1078. Verify interchangeability with system specifications before substitution.

What are the specifications of STD622?

Key specifications for STD622: Shank Style: STRAIGHT; Gripping Surface Condition: GRIP AID; Length: 0.880 INCHES NOMINAL IN; Special Features: BASE OF KNOB CURVED 1.250 IN. RADIUS IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5355-00-478-0508 still in active supply?

NSN 5355-00-478-0508 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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