Overview
Features & Benefits
Technical Information
Shipping Details
Boeing BACW10BP3APU Washer, Plain And Countersunk
The Boeing Company
Part # BACW10BP3APU
The BACW10BP3APU washer for the KC-46 ensures a secure fit with a round center hole, meets military specs, and is made of durable steel 631. Its impressive tensile strength of 140,000 psi provides excellent corrosion resistance with precise dimensions.
Buy now from
Commercial Spares
Log In for Price (BPP Access Required)
Welcome to a new era of ecommerce using Boeing OneLogin
*MyBoeingFleet account holders will be directed to Aviation ID
Get started by migrating your existing accounts today.
Go to Original Sites >
Can’t log in? Our FAQ can help.
Don't have an account? Register for an account here.
Overview
The BACW10BP3APU washer is specifically engineered for the KC-46 aircraft, featuring a round center hole and peripheral shape for a secure fit. Made from steel composition 631, this washer adheres to strict military specifications, including Mil-S-25043 and QQ-P-35. With a minimum tensile strength of 140,000 pounds per square inch, it offers exceptional durability under high-stress conditions. The thickness ranges from 0.057 inches to 0.069 inches, while the overall diameter measures between 0.369 inches and 0.389 inches. The passivated surface treatment enhances corrosion resistance, making it suitable for several aerospace applications.
Features & Benefits
Features
- FAA certified for reliability in aviation applications.
- Constructed from steel composition 631 for excellent strength.
- Passivated surface treatment for excellent corrosion resistance.
- Ensures secure fastening in critical aircraft components.
- Provides long-lasting performance in demanding environments.
- Meets rigorous military standards for safety and reliability.
Technical Information
ATA Number
21,
22,
23,
24,
25,
26,
27,
28,
29,
30,
31,
32,
33,
34,
35,
36,
38,
44,
47,
49,
50,
51,
52,
53,
54,
55,
56,
57,
71,
72,
76,
78,
79,
90
ATA Chapter
Air Conditioning
Auto Flight
Communications
Electrical Power
Equipment / Furnishings
Fire Protection
Flight Controls
Fuel
Hydraulic Power
Ice and Rain Protection
Indicating / Recording Systems
Landing Gear
Lights
Navigation
Oxygen
Pneumatic
Water / Waste
Cabin Systems
Nitrogen Generation System
Airborne Auxiliary Power
Cargo and Accessory Compartments
Standard Practices, General
Doors
Fuselage
Nacelles / Pylons
Stabilizers
Windows
Wings
Power Plant
Engine Turbine / Turbo Prop Ducted Fan / Unducted Fan
Engine Controls
Exhaust
Oil
Unassigned
28 moreSee lessATA Group
Airframe Systems
Structure
Power Plant
Miscellaneous
ATA Section
DISTRIBUTION
MAIN DISTRIBUTION MANIFOLD
VENTILATION
EQUIPMENT COOLING SYSTEM
PRESSURIZATION CONTROL SYSTEM
PRESSURIZATION RELIEF VALVES
AIR CYCLE SYSTEM
RAM AIR SYSTEM
FORWARD CARGO AIR CONDITIONING SYSTEM
CONDITIONED AIR TEMPERATURE CONTROL SYSTEM
TEMPERATURE INDICATING SYSTEM
POWER ELECTRONICS COOLING SYSTEM
Air Conditioning
DIGITAL FLIGHT CONTROL SYSTEM
SATCOM
COCKPIT DOOR SURVEILLANCE SYSTEM (CDSS)
ELECTRICAL POWER PRECAUTIONS
AC GENERATION SYSTEM
DC GENERATION SYSTEM
AC Electrical Load Distribution
MAIN 115-VOLT AC POWER DISTRIBUTION
PASSENGER CABIN LINING AND INSULATION
PARTITIONS AND COMPARTMENTS - PASSENGER CABIN
STATIONS - CABIN ATTENDANT
BARPLUS COMPUTER
COMPUTER SYSTEM - ON-BOARD SALES
Galley
GALLEYS
GALLEY EQUIPMENT
Lavatories
LAVATORY AREA
LAVATORY EQUIPMENT
LAVATORY DOOR
ELECTRONIC COMPARTMENT
CARGO HANDLING SYSTEM
MAIN DECK CARGO HANDLING SYSTEM
FREIGHTER SUPERNUMERARY COMPARTMENT
DOOR 3 ESCAPE SLIDE
APU FIRE DETECTION SYSTEM
WING AND LOWER AFT BODY OVERHEAT DETECTION SYSTEM
ENGINE FIRE EXTINGUISHING SYSTEM
APU FIRE EXTINGUISHING SYSTEM
EXTINGUISHING SYSTEM - CARGO COMPARTMENT FIRE
SIMPLIFIED SCHEMATICS FOR LATERAL CONTROL
AILERON AND AILERON TRIM CONTROL SYSTEM
RUDDER AND RUDDER TRIM CONTROL SYSTEM
VALVE - RUDDER AND ELEVATOR HYDRAULIC SUPPLY SHUTOFF
RUDDER POSITION INDICATING SYSTEM
ELEVATOR AND TAB CONTROL SYSTEM
HORIZONTAL STABILIZER TRIM CONTROL SYSTEM
TRAILING EDGE FLAP SYSTEM
TRAILING EDGE FLAP
FLAP SKEW DETECTION SYSTEM
FLIGHT SPOILER CONTROL SYSTEM
SPEED BRAKE CONTROL SYSTEM
LEADING EDGE FLAP AND SLAT CONTROL SYSTEM
LEADING EDGE FAILURE INDICATION SYSTEM
INTEGRAL FUEL TANKS
FUEL VENT SYSTEM
PRESSURE FUELING SYSTEM
ENGINE FUEL FEED SYSTEM
APU FUEL FEED SYSTEM
FUEL JETTISON SYSTEM
FUEL QUANTITY INDICATING SYSTEM
HYDRAULIC SYSTEMS A AND B
STANDBY HYDRAULIC SYSTEM
WING THERMAL ANTI-ICING SYSTEM
INLET COWL ANTI-ICING SYSTEM
WATER AND TOILET DRAIN ANTI-ICING SYSTEM
FLIGHT DATA RECORDER (FDR)
LANDING GEAR SAFETY SENSORS
MAIN GEAR
MAIN GEAR SHOCK STRUT DOORS
NOSE LANDING GEAR
NOSE GEAR DOORS
LANDING GEAR CONTROL SYSTEM
MAIN GEAR EXTENSION AND RETRACTION
NOSE GEAR EXTENSION AND RETRACTION
NOSE GEAR MANUAL EXTENSION SYSTEM
HYDRAULIC BRAKE SYSTEM
ANTISKID SYSTEM
LANDING GEAR POSITION INDICATING AND WARNING SYSTEM
TAIL SKID
GALLEY LIGHTS
CARGO AND SERVICE COMPARTMENT LIGHTING
PITOT-STATIC SYSTEM
CREW OXYGEN SYSTEM
ENGINE BLEED AIR
BLEED AIR
PNEUMATIC MANIFOLD SYSTEM
DUCT PRESSURE
Potable
POTABLE WATER SYSTEM
WATER HEATING
WATER QUANTITY INDICATION SYSTEM
WATER SYSTEM PRESSURIZATION
Waste Disposal
WASTE WATER SYSTEM
TOILET SYSTEM
WASTE TANK QUANTITY INDICATION
BIDET
NGS GENERATION
NITROGEN-ENRICHED AIR DISTRIBUTION SYSTEM (NEADS)
THERMAL CONTROL SYSTEM
UNASSIGNED
APU POWER PLANT
APU AIR INLET
APU SHROUD DRAINS
APU EXHAUST SYSTEM
FORWARD CARGO COMPARTMENT
DRAINAGE
FORWARD ENTRY DOOR
CENTER SECTION - STATION 520 TO STATION 2360
AFT ENTRY DOOR
EMERGENCY EXIT HATCH
MAIN DECK CARGO DOOR
FORWARD/AFT CARGO DOOR
AFT CARGO DOOR
BULK CARGO DOOR
SWING TAIL
Service and Miscellaneous
GALLEY SERVICE DOORS
ACCESS DOORS
MISCELLANEOUS EXTERIOR SERVICE DOORS
EQUIPMENT COMPARTMENT INTERIOR DOORS
Doors
FLOOR PANELS
SUPPORT AND ATTACH FITTINGS
FRAMES AND BULKHEADS
STRUCTURE AROUND OPENINGS
PASSENGER CABIN FLOORS
FILLET FAIRINGS
MAIN LANDING GEAR WHEEL WELL STRUCTURE - SECTION 45
Nacelle Section
FAIRINGS
STRUT INSULATION BLANKETS
STRUT FAIRING PANELS AND ACCESS PANELS
STRUT FIRESEAL DEPRESSOR
STRUT DRAINS AND SEALS
Elevator
VERTICAL STABILIZER ATTACH FITTING
Rudder
CONTROL CABIN FIXED WINDOWS
CONTROL CABIN SLIDING WINDOWS
CENTER WING BOX
WING VORTEX GENERATORS
WINGLET
Leading Edge and Leading Edge Devices
WING TERMINAL FITTINGS
FLIGHT CONTROL ATTACH FITTINGS
AILERONS
LEADING EDGE SLATS
Ailerons and Elevons
Spoilers
General
ENGINE COWLING
ENGINE MOUNTS
Attach Fittings
Electrical Harness
ENGINE CONTROL SYSTEM
TURBINE EXHAUST SYSTEM
THRUST REVERSER SYSTEM
156 moreSee lessNIIN
016700537
NSN
5310-01-670-0537
FSCG
5310
FSCG Category
Nuts and Washers
Lead Time (Days)
42
Multi Spec
MIL-S-25043
Certification Status
CERTIFIED
ATA Part Number
BACW10BP3APU
CAGE Code
81205
Commercial Part
Yes
Harmonized Tariff Schedule Code
7318220000
Repairable
No
Specification Part Number
BACW10BP3APU
Supplier Part Number
BACW10BP3APU
Landing Gear Part
No
Leasable
No
Returnable
No
Aircraft Makes
Boeing
Aircraft Models
747-8F
737 MAX 8
737-400
757-200
767-200EM
777-300
737-9
BBJ 737-800
737-500
787-8
737NG-800
737-7
767-400ER
737-400SF
767-300ER
777-9
747-400ERF
BBJ 737-700
737 MAX 9
737-10
767-400
767-200ERSF
747-8
777-200ER
767-200ERT
767-300
777-300ER
737-600
737NG-700C
737NG-800MMA
737-300
777-200
757-300
747-400PC
737-8200
767-200ER
737-700
777-200F
777-200LR
767-200EREM
767-300EREM
737-900
737-700C
737-300F
737-8
747-400
767-200
757-200EM
737NG-600
737NG-800BCF
737NG-800BJ
757-200PCF
737NG-700BJ
747-400F
737-300SF
737-800
737NG-AEW&C
737MAX
787-10
737NG-700
737NG-900
767-200SF
787-9
737-300QC
757-300EM
757-200PF
767-300F
757-200PC
767-300BCF
737-900ER
64 moreSee lessShipping Details
ITAR Compliant
No
Part Explosive
No
ECCN
EAR99
Dry Ice
No
Buy now from
Commercial Spares
Log In for Price (BPP Access Required)
Welcome to a new era of ecommerce using Boeing OneLogin
*MyBoeingFleet account holders will be directed to Aviation ID
Get started by migrating your existing accounts today.
Go to Original Sites >
Can’t log in? Our FAQ can help.
Don't have an account? Register for an account here.
Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions.
Copyright © 2026. All rights reserved.
Site Terms | Privacy and Cookie Statement | Cookie setting | Sitemap