PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51056Button,plug

Trw Assemblies and Fasteners Group · NSN 5340-00-664-5845 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-664-5845 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-664-5845. Primary manufacturer part number: 51056.
Features
  • Button,plug — FSC 5340
  • Prong Quantity: 14
  • Head Height: 0.219 INCHES NOMINAL IN
  • Prong Outside Diameter: 2.125 INCHES NOMINAL IN
  • Material: STEEL COMP 1010
  • Head Outside Diameter: 2.562 INCHES NOMINAL IN
  • Material Accommodated Thickness: 0.037 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
  • Style Designator: STANDARD
Applications
  • Applications requiring Steel Comp 1010 construction
General Description

The Button,plug, cataloged under National Stock Number 5340-00-664-5845, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Trw Assemblies and Fasteners Group. Government technical data includes 8 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-664-5845
Primary Part Number51056
Item NameButton,plug
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerTrw Assemblies and Fasteners Group
StatusCANCELLED
Prong Quantity14
Head Height0.219 INCHES NOMINAL IN
Prong Outside Diameter2.125 INCHES NOMINAL IN
MaterialSTEEL COMP 1010
Head Outside Diameter2.562 INCHES NOMINAL IN
Material Accommodated Thickness0.037 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
Style DesignatorSTANDARD
Hole Accommodation Diameter2.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6130-00-553-8705 (51056)
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
No Item Name Available
6130-00-553-870551056 SUCCESSOR
Power Supply
Ward Leonard Ct Llc
5133-00-232-2866 INTERCHANGEABLE
Drill,twist
5996-00-241-6197 INTERCHANGEABLE
Amplifier,direct Current
5930-00-488-5743102A697 INTERCHANGEABLE
Guard,switch
Lockheed Martin Corporation Div Rotary and Mission Systems
4730-00-846-60766852 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
8465-01-644-404851-056 INTERCHANGEABLE
Sling,bag and Case Carrying
Foxfury Llc
Cross-Reference Index
Part NumberManufacturer
51056 Trw Assemblies and Fasteners Group (USA)
51056 Cinch Connectivity Solutions Inc. (USA)
Related Parts
SUCCESSOR 6130-00-553-8705 Power Supply · 51056
5340-00-286-4186SUCCESSOR
NO ITEM NAME AVAILABLE
5133-00-232-2866INTERCHANGEABLE
DRILL,TWIST
5996-00-241-6197INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
5930-00-488-5743INTERCHANGEABLE
GUARD,SWITCH
102A697
4730-00-846-6076INTERCHANGEABLE
CLAMP,HOSE
6852
8465-01-644-4048INTERCHANGEABLE
SLING,BAG AND CASE CARRYING
51-056

Frequently Asked Questions

What is NSN 5340-00-664-5845?

NSN 5340-00-664-5845 is a Button,plug, manufactured by Trw Assemblies and Fasteners Group, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-664-5845?

NSN 5340-00-664-5845 has 2 cross-referenced part numbers: 51056 (Trw Assemblies and Fasteners Group), 51056 (Cinch Connectivity Solutions Inc.).

What NSN replaces 5340-00-664-5845?

There are 7 known substitutes for 5340-00-664-5845: 5340-00-286-4186, 6130-00-553-8705, 5133-00-232-2866 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51056?

Key specifications for 51056: Prong Quantity: 14; Overall Height: 0.562 INCHES NOMINAL IN; Head Height: 0.219 INCHES NOMINAL IN; Prong Outside Diameter: 2.125 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-664-5845 still in active supply?

NSN 5340-00-664-5845 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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