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NSN: 5310-00-001-4750
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Part Numbers

Item Number Item Description
NAS1587-3L Washer, Flat
10116488 Washer, Flat

Master Requirement Codes

Code Translation
ABMX The style designation indicating the configuration that most nearly corresponds to the shape of the center hole.
AAGR The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
AAUB The length of a straight line which passes through the center of a hole, and terminates at the circumference.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
CQBC The maximum rated load in tension applied in a longitudinal direction, per unit of cross-sectional area, that the material can withstand without rupture.
ADAV A measurement of the longest straight line across a circular cross-sectional plane.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.
ABMW The style designation indicating the configuration that most nearly corresponds to the peripheral shape of the item.
ZZZK The document designator of the specification or standard which established the item of supply.
CSYM Designates the specific surface roughness rating, representing the arithmetic average deviation of the surface from the meanline in profile.
CSYM Designates the specific surface roughness rating, representing the arithmetic average deviation of the surface from the meanline in profile.
STDC The specification, standard, or manufacturers reference, and the classification designation, such as type, class, grade, and the like, that identifies the surface treatment material.
SFTT The metallic, nonmetallic, and/or chemical properties with which the item is plated, dipped, and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
ABNM A measurement of the smallest dimension of an item, in distinction from length or width.

10116488 Flat Washer

Cage A486G

Technical Definition

Washer, Flat, also referenced with federal logistics item name code 13393 - A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. the hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). the thickness cannot exceed 25 percent of the largest outside dimension. when the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. the maximum tolerance is applied to dimensions and used as a determining factor. items with separable lamination use shim. for items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. excludes disk, valve, graphite impregnated and lubricated items.

Technical Characteristics

Center Hole Shape Style (ABMX):
Round
Cross-sectional Shape Style (AAGR):
Rectangular
Hole Diameter (AAUB):
0.192 inches minimum and 0.198 inches maximum
Material (MATT):
Steel comp 321 overall or steel comp 348 overall or steel comp 347 overall
Minimum Tensile Strength (CQBC):
75000 pounds per square inch
Overall Diameter (ADAV):
0.469 inches nominal
Material Document And Classification (MDCL):
Mil-s-6721 mil spec 1st material response overall and mil-s-6721 mil spec 2nd material response overall and qq-s-763,cond a fed spec 3rd material response overall
Peripheral Shape Style (ABMW):
Round
Specification/standard Data (ZZZK):
80205-nas1587 professional/industrial association standard
Surface Finish (CSYM):
63.0 microinches bottom
Surface Finish (CSYM):
63.0 microinches top
Surface Treatment Document And Classification (STDC):
Qq-p-35 fed spec single treatment response overall
Surface Treatment (SFTT):
Passivate overall
Thickness (ABNM):
0.016 inches nominal

National Stock Number (NSN)

5310-00-001-4750