PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7978Knob

Kay Elemetrics Corporation · NSN 5355-00-935-7629 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-935-7629 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-935-7629. Primary manufacturer part number: 7978.
Features
  • Knob — FSC 5355
  • Inside Diameter: 0.251 INCHES NOMINAL IN
  • Setscrew Hole Quantity: 2
  • Overall Thickness: 0.562 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SCREW HOLE
  • Attachment Method: SETSCREWS
  • Style Designator: ROUND
  • Screw Drive Type: SLOT
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Knob, cataloged under National Stock Number 5355-00-935-7629, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kay Elemetrics Corporation. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5355-00-935-7629
Primary Part Number7978
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerKay Elemetrics Corporation
StatusACTIVE
Inside Diameter0.251 INCHES NOMINAL IN
Setscrew Hole Quantity2
Overall Thickness0.562 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
Attachment MethodSETSCREWS
Style DesignatorROUND
Screw Drive TypeSLOT
MaterialALUMINUM ALLOY
ColorBLACK
Nominal Thread Size0.138 INCHES SCREW HOLE IN
Thread Quantity Per Inch32 SCREW HOLE
Gripping Surface ConditionSMOOTH
Shaft Accommodation StyleROUND
Distance From Hole Center to Knob/skirt Base0.250 INCHES NOMINAL IN
Outside Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-278-8829SAE J512 5 060110B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
5120-00-960-0260 INTERCHANGEABLE
Trowel
2530-01-136-0183 INTERCHANGEABLE
Steering Wheel
5130-01-356-70967978 INTERCHANGEABLE
Grinder,portable
Ingersoll-Rand Co Power Tool Div
6105-01-365-4162E9122 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
Cross-Reference Index
Part NumberManufacturer
7978 Kay Elemetrics Corporation (USA)
A7978A Kay Elemetrics Corporation (USA)
Related Parts
4730-00-278-8829INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J512 5 060110B
5120-00-960-0260INTERCHANGEABLE
TROWEL
2530-01-136-0183INTERCHANGEABLE
STEERING WHEEL
5130-01-356-7096INTERCHANGEABLE
GRINDER,PORTABLE
7978
6105-01-365-4162INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E9122

Frequently Asked Questions

What is NSN 5355-00-935-7629?

NSN 5355-00-935-7629 is a Knob, manufactured by Kay Elemetrics Corporation, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-935-7629?

NSN 5355-00-935-7629 has 2 cross-referenced part numbers: 7978 (Kay Elemetrics Corporation), A7978A (Kay Elemetrics Corporation).

What NSN replaces 5355-00-935-7629?

There are 5 known substitutes for 5355-00-935-7629: 4730-00-278-8829, 5120-00-960-0260, 2530-01-136-0183 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7978?

Key specifications for 7978: Inside Diameter: 0.251 INCHES NOMINAL IN; Setscrew Hole Quantity: 2; Overall Thickness: 0.562 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SCREW HOLE. 16 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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