PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

627-31Knob

Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect · NSN 5355-00-255-7287 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-255-7287 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-255-7287. Primary manufacturer part number: 627-31.
Features
  • Knob — FSC 5355
  • Gripping Surface Condition: GRIP AID
  • Overall Thickness: 0.560 INCHES NOMINAL IN
  • Attachment Method: SETSCREWS
  • Screw Drive Type: HEXAGON SOCKET
  • Thread Quantity Per Inch: 32 SCREW HOLE
  • Nominal Thread Size: 0.138 INCHES SCREW HOLE IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SCREW HOLE
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Knob, cataloged under National Stock Number 5355-00-255-7287, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect. Government technical data includes 14 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
NSN5355-00-255-7287
Primary Part Number627-31
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
StatusACTIVE
Gripping Surface ConditionGRIP AID
Overall Thickness0.560 INCHES NOMINAL IN
Attachment MethodSETSCREWS
Screw Drive TypeHEXAGON SOCKET
Thread Quantity Per Inch32 SCREW HOLE
Nominal Thread Size0.138 INCHES SCREW HOLE IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
MaterialALUMINUM ALLOY
Style DesignatorROUND
Outside Diameter0.620 INCHES NOMINAL IN
Distance From Hole Center to Knob/skirt Base0.250 INCHES NOMINAL IN
Setscrew Hole Quantity1
Shaft Accommodation StyleROUND
Inside Diameter0.125 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1680-00-737-93996273-1 INTERCHANGEABLE
Cushion,back,seat
The Boeing Company Div Legacy Am&m
5305-00-984-6210472-123 INTERCHANGEABLE
Screw,machine
Ampex Data Systems Corporation Dba Ampex Intelligent Systems
Cross-Reference Index
Part NumberManufacturer
627-31 PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
Related Parts
1680-00-737-9399INTERCHANGEABLE
CUSHION,BACK,SEAT
6273-1
5305-00-984-6210INTERCHANGEABLE
SCREW,MACHINE
472-123

Frequently Asked Questions

What is NSN 5355-00-255-7287?

NSN 5355-00-255-7287 is a Knob, manufactured by Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-255-7287?

NSN 5355-00-255-7287 has 1 cross-referenced part number: 627-31 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect).

What NSN replaces 5355-00-255-7287?

There are 2 known substitutes for 5355-00-255-7287: 1680-00-737-9399, 5305-00-984-6210. Verify interchangeability with system specifications before substitution.

What are the specifications of 627-31?

Key specifications for 627-31: Gripping Surface Condition: GRIP AID; Overall Thickness: 0.560 INCHES NOMINAL IN; Attachment Method: SETSCREWS; Screw Drive Type: HEXAGON SOCKET. 15 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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