5305-01-643-8697
Socket Head Cap Screw
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Official Item Classification
- Name
- Socket Head Cap Screw
- (NSN) National Stock Number
- 5305-01-643-8697
- (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
- 04/15/2015 (11 years ago)
right-hand thread direction, 1.375 inches nominal thread length, 0.375 inches nominal head diameter, flat fillister head style, 1.375 inches nominal fastener length
Specs & Compatibility
right-hand
1.375 inches nominal
1.375 inches nominal
flat fillister
0.375 inches nominal
0.25 inches nominal
0.25 inches nominal
square
0.25 inches
0.187 inches nominal
20
square flats
skt cap scrw, std, 18-8,1/4-20x1-3/8, pk25
temp range -65 degrees f to 300 degrees f meets/exceeds asme b18.3 and astm f837 min. tensile strength 80,000 psi rockwell hardness b81 to b100.
silver overall
steel property class 18.8 overall
Regulatory Compliance
Item does not contain precious metal.
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