PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BACP20B63BButton,plug

The Boeing Company Div Defense · NSN 5340-00-270-8552 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-270-8552 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-270-8552. Primary manufacturer part number: BACP20B63B.
Features
  • Button,plug — FSC 5340
  • Head Height: 0.062 INCHES NOMINAL IN
  • Prong Quantity: 6
  • Surface Treatment: PAINT
  • Prong Outside Diameter: 0.531 INCHES NOMINAL IN
  • Material Accommodated Thickness: 0.093 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
  • Material: COPPER ALLOY
  • Head Outside Diameter: 0.625 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Button,plug, cataloged under National Stock Number 5340-00-270-8552, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-270-8552
Primary Part NumberBACP20B63B
Item NameButton,plug
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusCANCELLED
Head Height0.062 INCHES NOMINAL IN
Prong Quantity6
Surface TreatmentPAINT
Prong Outside Diameter0.531 INCHES NOMINAL IN
Material Accommodated Thickness0.093 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
MaterialCOPPER ALLOY
Head Outside Diameter0.625 INCHES NOMINAL IN
Hole Accommodation Diameter0.500 INCHES NOMINAL IN
Style DesignatorSTANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
5970-00-163-006351320 INTERCHANGEABLE
Insulation Sleeving,electrical
Unison Industries Llc
5930-00-201-335051320 INTERCHANGEABLE
Switch,rotary
L3harris Technologies, Inc Div Space & Airborne Systems
5331-00-250-0224MS29513-020 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
3110-00-277-012751118 INTERCHANGEABLE
Bearing,ball,thrust
Gwilliam Company, Inc. Div Ball & Roller Bearing Division
5985-00-572-7428011-0059-02 INTERCHANGEABLE
Attenuator,fixed
Tektronix, Inc.
5905-00-943-6420 INTERCHANGEABLE
Resistor,variable,wire Wound,non
2940-01-300-430651320 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
7025-01-434-490651118 INTERCHANGEABLE
Display Unit
Compuadd Corp Dba Compuadd Computer Corp
1005-01-487-245251118 INTERCHANGEABLE
Hammer,firing,small Arms
American Apex Corporation
Cross-Reference Index
Part NumberManufacturer
BS51338 Trw Assemblies and Fasteners Group (USA)
51118 Trw Assemblies and Fasteners Group (USA)
BS51338 Trw Assemblies and Fasteners Group Fasteners Div (USA)
51-320 Automatic Switch Company Dba Asco (USA)
7005269-1 General Electric Company (USA)
BACP20B63B The Boeing Company Div Legacy Wichita (USA)
BACP20B63B PRIMARY The Boeing Company Div Defense (USA)
Related Parts
5970-00-163-0063INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
51320
5930-00-201-3350INTERCHANGEABLE
SWITCH,ROTARY
51320
5331-00-250-0224INTERCHANGEABLE
O-RING
MS29513-020
3110-00-277-0127INTERCHANGEABLE
BEARING,BALL,THRUST
51118
5985-00-572-7428INTERCHANGEABLE
ATTENUATOR,FIXED
011-0059-02
5905-00-943-6420INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
2940-01-300-4306INTERCHANGEABLE
FILTER ELEMENT,FLUID
51320
7025-01-434-4906INTERCHANGEABLE
DISPLAY UNIT
51118
1005-01-487-2452INTERCHANGEABLE
HAMMER,FIRING,SMALL ARMS
51118

Frequently Asked Questions

What is NSN 5340-00-270-8552?

NSN 5340-00-270-8552 is a Button,plug, manufactured by The Boeing Company Div Defense, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-270-8552?

NSN 5340-00-270-8552 has 7 cross-referenced part numbers: BS51338 (Trw Assemblies and Fasteners Group), 51118 (Trw Assemblies and Fasteners Group), BS51338 (Trw Assemblies and Fasteners Group Fasteners Div), 51-320 (Automatic Switch Company Dba Asco), 7005269-1 (General Electric Company) and 2 more.

What NSN replaces 5340-00-270-8552?

There are 9 known substitutes for 5340-00-270-8552: 5970-00-163-0063, 5930-00-201-3350, 5331-00-250-0224 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BACP20B63B?

Key specifications for BACP20B63B: Head Height: 0.062 INCHES NOMINAL IN; Overall Height: 0.344 INCHES NOMINAL IN; Prong Quantity: 6; Surface Treatment: PAINT. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-270-8552 still in active supply?

NSN 5340-00-270-8552 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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