Product Details | RECESSED WASHER

5310-01-087-0986 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: MS948209, MS9482-09, 5310-01-087-0986, 01-087-0986, 5310010870986, 010870986

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 12 DEC 1979 01-087-0986

Drawings & Photos | NSN 5310-01-087-0986


Demand History | NSN 5310-01-087-0986

Part Number Request Date QTY Origin
MS948209 2009-04-110 4 United States

Cross Reference | NSN 5310-01-087-0986

Part Number Cage Code Manufacturer
MS9482-09 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5310-01-087-0986

Characteristic Specifications
MATERIAL STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6437 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT NICKEL AND CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 50.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 28 RECESSED BOTH SIDES
HOLE DIAMETER 0.195 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
OUTSIDE DIAMETER 0.415 INCHES MINIMUM AND 0.435 INCHES MAXIMUM
MATERIAL THICKNESS 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
TOP RECESS DIAMETER 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
BOTTOM RECESS DIAMETER 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
BOTTOM RECESS ANGLE 90.0 DEGREES NOMINAL
TOP RECESS ANGLE 90.0 DEGREES NOMINAL
SURFACE FINISH 63.0 MICROINCHES TOP 63.0 MICROINCHES BOTTOM
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS9482-09

Restrictions/Controls & Freight Information | NSN 5310-01-087-0986

Category Code Description
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.
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.
Category Code Description
No Freight Information