Product Details | KEY WASHER

5310-01-143-5050 A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Part Alternates: BACW10BW52, 5310-01-143-5050, 01-143-5050, 5310011435050, 011435050

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 05 DEC 1982 01-143-5050

Drawings & Photos | NSN 5310-01-143-5050


Cross Reference | NSN 5310-01-143-5050

Part Number Cage Code Manufacturer
BACW10BW52 77272 THE BOEING COMPANY DBA BOEING
BACW10BW52 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5310-01-143-5050

Characteristic Specifications
MATERIAL STEEL COMP 4130 OR STEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6415 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION DOD-P-16232,TY Z,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 142 KEY
EXTERNAL KEY QUANTITY 4
INTERNAL KEY QUANTITY 2
HOLE DIAMETER 2.280 INCHES MINIMUM AND 2.300 INCHES MAXIMUM
OUTSIDE DIAMETER 2.837 INCHES MINIMUM AND 2.857 INCHES MAXIMUM
EXTERNAL STRAIGHT KEY WIDTH 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH 0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY 0.935 INCHES MINIMUM AND 0.955 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS 3.037 INCHES MINIMUM AND 3.057 INCHES MAXIMUM
MATERIAL THICKNESS 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM
SURFACE FINISH 63.0 MICROINCHES TOP 63.0 MICROINCHES BOTTOM
SPECIAL FEATURES INTERNAL KEYS 180.0 DEGREES APART OFFSET 17 DEG 36 MIN 31 SEC FROM CENTER LINE OF EXTERNAL KEYS

Restrictions/Controls & Freight Information | NSN 5310-01-143-5050

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code GX HQ Defense Logistics Agency, Enterprise Business
Systems
Fort Belvoir, VA 22060
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5310-01-143-5050

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each