Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Rockwell c scale, hardness rating, 300 series material 35.0 min 43.0 max
NSN
National Stock Number:
TXT
Description:
Lock Washer
MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 0.255 inches and 0.267 inches
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.ABKV
Outside Diameter:
0.493 inches
MRC:
A measurement of the smallest dimension of the material,in distinction from length or width.ABPX
Material Thickness:
0.062 inches
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
Between 45.0 rockwell c and 53.0 rockwell c
MRC:
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.CRTL
Criticality Code Justification:
Zzzy
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 420 or steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 3140 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 3310h or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
66 federal standard all material responses
MRC:
Test conditions and ratings,or environmental and performance requirements that are different,more critical,or more specific than those specified in a governing test data document.SPCL
Special Test Features:
Special quality control testing
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Split helical-right hand
MRC:
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.TEST
Test Data Document:
81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
MRC:
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.ZZZT
Specification Or Standard:
B class or c class and 2 style
MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
As differentiated by material which must conform to ships parts control center special quality control provisions and certified free from mercury contamination
