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		                        | National Stock Number:
 5331-01-164-3460
 
 Federal Supply Class:
 5331
 
 National Item Identification Number:
 011643460
 
 Description:
 O-RING
 
 Detail:
 A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see PACKING,PREFORMED. For noncircular items with a round cross-section, see SEAL,NONMETALLIC ROUND SECTION and RUBBER,ROUND SECTION.
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 Manufacturer Information:
 
 | 54370-6 ITEM 22 | 99643 | EATON AEROSPACE LLC |  | 54370-6 ITEM 22CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | M83249/2-032CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | M83249/2-032 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | M83248/2-032CP | 99643 | EATON AEROSPACE LLC | 
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 Techincal Specification:
 
 | CENTER HOLE DIAMETER | 1.849 INCHES MINIMUM AND 1.879 INCHES MAXIMUM |  | CROSS-SECTIONAL HEIGHT | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM |  | CRITICALITY CODE JUSTIFICATION | ZZZW |  | DEPARTURE FROM CITED DOCUMENT | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |  | HARDNESS RATING | 90.0 SHORE DUROMETER A NOMINAL |  | MATERIAL | RUBBER CHLOROPRENE CLASS CR |  | PROPRIETARY CHARACTERISTICS | PACS |  | OUTSIDE DIAMETER | 2.004 INCHES NOMINAL | 
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