Product Details | RECESSED WASHER

5310-01-284-0861 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: 106B3392P2, 5310-01-284-0861, 01-284-0861, 5310012840861, 012840861

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 18 AUG 1988 01-284-0861

Drawings & Photos | NSN 5310-01-284-0861


Cross Reference | NSN 5310-01-284-0861

Part Number Cage Code Manufacturer
106B3392P2 99971 LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE

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Technical Data | NSN 5310-01-284-0861

Characteristic Specifications
MATERIAL PLASTIC POLYAMIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR 26 RECESSED
HOLE DIAMETER 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM
OUTSIDE DIAMETER 0.300 INCHES NOMINAL
MATERIAL THICKNESS 0.050 INCHES NOMINAL
RECESS ANGLE 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-01-284-0861

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