5305-00-551-0142
Socket Head Cap Screw
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Official Item Classification
- Name
- Socket Head Cap Screw
- (NSN) National Stock Number
- 5305-00-551-0142
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 16282
- (FIIG) Federal Item Identification Guide
- A003B0
- Date
- 01/01/1963 (63 years ago)
right-hand thread direction, 1.250 inches nominal fastener length, 3a thread class, flat chamfer head style, 1.250 inches nominal thread length
Specs & Compatibility
3a
right-hand
1.250 inches nominal
1.250 inches nominal
flat chamfer
0.553 inches minimum and 0.562 inches maximum
0.368 inches minimum and 0.375 inches maximum
hexagon
0.375 inches
0.312 inches minimum and 0.315 inches maximum
16
36.0 rockwell c minimum and 43.0 rockwell c maximum overall
140000 pounds per square inch
steel comp 4135 or steel comp 4137 or steel comp 8640 overall
qq-s-624 fed spec all material responses overall
zinc and chromate overall
qq-z-325,type 2,class 3 fed spec all treatment responses overall
unc
1 type and 11 style
Regulatory Compliance
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0016282