PACKING PREFORMED
P/N MS28772-343
P/N S2383916
P/N 1183-343
P/N 1446-343
NSN 5330 00 543 2990
MFG PARKER HANNIFIN
 
NEW GOV SURPLUS
 
ITEM NAME   PACKING,PREFORMED
DEFINITION  A circular shaped item with an aperture manufactured to predetermined
             dimensions and designed for use as a seal in stuffing boxes, packing
             nuts, and the like. It may be (1) any nonmetallic molded or formed
             ring (except solid (without joint) rings having a square or
             rectangular cross section); or (2) any shredded metal or metal foil
             type metallic or semi-metallic rings. Excludes felt items but includes
             multi-material items in which one of the materials is felt. For solid
             (without joints) nonmetallic items with a square or rectangular cross
             section, see WASHER (as modified) and GASKET. For rubber items
             specifically designed for weather-proofing doors, windows, chests, and
             the like see SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; and
             SEAL, NONMETALLIC, SPECIAL SHAPED SECTION. For circular (with
             aperture) nonmetallic items with a solid round cross-section see
             O-RING. Excludes CUP, COMPRESSION; GASKET; WASHER (as modified); and
             FELT, MECHANICAL, PREFORMED.
            
 
CHARACTERISTIC                          VALUE
CROSS-SECTIONAL SHAPE STYLE             DELTA                                             
III TEMP RATING                         -65.0 DEG FAHRENHEIT AND 160.0 DEG FAHRENHEIT    
CROSS-SECTIONAL HEIGHT                  0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM    
CENTER HOLE DIAMETER                    3.710 INCHES MINIMUM AND 3.740 INCHES MAXIMUM    
PERIPHERAL DIAMETER                     4.145 INCHES NOMINAL                             
HARDNESS RATING                         65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE    
                                        DUROMETER A MAXIMUM OVERALL                      
MATERIAL                                RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL 
MATERIAL DOCUMENT AND                   MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE
CLASSIFICATION                          OVERALL