Product Details | RECESSED WASHER

5310-00-223-1253 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: 7635955001, 763-5955-001, 5310-00-223-1253, 00-223-1253, 5310002231253, 002231253

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 09 MAY 1973 00-223-1253

Cross Reference | NSN 5310-00-223-1253

Part Number Cage Code Manufacturer
763-5955-001 13499 ROCKWELL COLLINS, INC. DBA GOVERNMENT SYSTEMS

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Technical Data | NSN 5310-00-223-1253

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2017
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/5 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT OXIDE FILM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
HARDNESS RATING NOT RATED
HOLE DIAMETER 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM
OUTSIDE DIAMETER 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM
RECESS DIAMETER 0.291 INCHES MINIMUM AND 0.301 INCHES MAXIMUM
MATERIAL THICKNESS 0.058 INCHES MINIMUM AND 0.066 INCHES MAXIMUM
RECESS ANGLE 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
III HEAT TREATMENT F-AS FABRICATED

Restrictions/Controls & Freight Information | NSN 5310-00-223-1253

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