A640031C225 Socket Head Cap Screw
5305-01-081-2431
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Official Item Classification
- Name
- Socket Head Cap Screw
- Part Number
- A640031C225
- (NSN) National Stock Number
- 5305-01-081-2431
- (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
- 08/10/1979 (47 years ago)
fillister head style, right-hand thread direction, 1.120 inches minimum thread length, 2.250 inches nominal fastener length, 3a thread class
Specs & Compatibility
3a
right-hand
1.120 inches minimum
2.250 inches nominal
fillister
0.457 inches minimum and 0.469 inches maximum
0.306 inches minimum and 0.312 inches maximum
patch threads
hexagon
0.312 inches
0.250 inches nominal
18
170000 pounds per square inch
38.0 rockwell c minimum and 45.0 rockwell c maximum overall
150000 pounds per square inch
critical item hydrogen embrittlement relief required
steel overall
66 fed std single material response overall
zinc overall
qq-z-325,ty 2,cl 3 fed spec single treatment response overall
unc
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
Related Hardware Products
| Part Number | Description |
|---|---|
| 3176207-C-128 | Socket Head Cap Screw |
| A640031C225 | Socket Head Cap Screw |