Howmet Aerospace - 40S45 Stainless Steel Stud Assemblies

This series utilizes a variety of grommets which must be installed into the top panel. They significantly enhance the system’s performance.
Contact us for strengths for stainless steel stud assemblies and for other styles, materials, or finishes.

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Unit of Measure

Items	40S45-1 40S45 Stainless Steel Stud Assemblies	40S45-2 40S45 Stainless Steel Stud Assemblies	40S45-3 40S45 Stainless Steel Stud Assemblies	40S45-4 40S45 Stainless Steel Stud Assemblies	40S45-5 40S45 Stainless Steel Stud Assemblies
Stud Material	N/A 300 CRES per ASTM A276, ASTM A580, AMS-QQ-S-763, ASTM A493
Wing Material	N/A
Cup Material	N/A 300 CRES per ASTM A167, ASTM A240
Spring Material	N/A Alloy Wire per AMS5699 (Inconel "X")
Cross Pin Material	N/A 17-7PH CRES per AMS5678
Spacer Material	N/A 300 CRES per ASTM A666, ASTM 4240
Head Style	N/A Slotted
Head Style of Wing	N/A
Finish	N/A Passivate per AMS2700
Cup Finish	N/A Black Oxide Coating per MIL-DTL-13924
L	N/A 0.383-0.393 in	N/A 0.413-0.423 in	N/A 0.443-0.453 in	N/A 0.473-0.483 in	N/A 0.503-0.513 in
L1	N/A
C	N/A 0.220 in	N/A 0.220 in	N/A 0.257 in	N/A 0.257 in	N/A 0.292 in
S	N/A 0.660 in	N/A 0.690 in	N/A 0.720 in	N/A 0.750 in	N/A 0.780 in
Ultimate Tensile Strength	N/A 735.000 lb
Working Strength	N/A 500.000 lb
Stud Grip Increments	N/A 0.030 in
Minimum Preload	N/A 50.000 lb
Maximum Service Temperature	N/A 700.000 ºF
Weight/100	N/A 0.946 lb	N/A 0.969 lb	N/A 0.989 lb	N/A 1.008 lb	N/A 1.028 lb