PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

656Button,plug

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron · NSN 5340-00-197-8102 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-197-8102 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-197-8102. Primary manufacturer part number: 656.
Features
  • Button,plug — FSC 5340
  • Prong Quantity: 6
  • Head Height: 0.078 INCHES NOMINAL IN
  • Style Designator: VENTILATOR, ROUND HOLE W/ SCREEN
  • Head Outside Diameter: 1.156 INCHES NOMINAL IN
  • Hole Accommodation Diameter: 1.000 INCHES NOMINAL IN
  • Prong Outside Diameter: 1.000 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Button,plug, cataloged under National Stock Number 5340-00-197-8102, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-197-8102
Primary Part Number656
Item NameButton,plug
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHalsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
StatusCANCELLED
Prong Quantity6
Head Height0.078 INCHES NOMINAL IN
Style DesignatorVENTILATOR, ROUND HOLE W/ SCREEN
Head Outside Diameter1.156 INCHES NOMINAL IN
Hole Accommodation Diameter1.000 INCHES NOMINAL IN
Prong Outside Diameter1.000 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Surface TreatmentNICKEL
Head Opening Inside Diameter1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
No Item Name Available
5340-00-193-36322364 SUCCESSOR
Strap,retaining
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
656 Dialight Corporation (USA)
6525800 Naval Sea Systems Command (USA)
138C571H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
XS99522-30 Trw Assemblies and Fasteners Group Fasteners Div Distribution Sales Center Chicago (USA)
656 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
Related Parts
5340-00-080-0211SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-193-3632SUCCESSOR
STRAP,RETAINING
2364

Frequently Asked Questions

What is NSN 5340-00-197-8102?

NSN 5340-00-197-8102 is a Button,plug, manufactured by Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-197-8102?

NSN 5340-00-197-8102 has 5 cross-referenced part numbers: 656 (Dialight Corporation), 6525800 (Naval Sea Systems Command), 138C571H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), XS99522-30 (Trw Assemblies and Fasteners Group Fasteners Div Distribution Sales Center Chicago), 656 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron).

What NSN replaces 5340-00-197-8102?

There are 2 known substitutes for 5340-00-197-8102: 5340-00-080-0211, 5340-00-193-3632. Verify interchangeability with system specifications before substitution.

What are the specifications of 656?

Key specifications for 656: Prong Quantity: 6; Overall Height: 0.296 INCHES NOMINAL IN; Head Height: 0.078 INCHES NOMINAL IN; Style Designator: VENTILATOR, ROUND HOLE W/ SCREEN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-197-8102 still in active supply?

NSN 5340-00-197-8102 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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