5305-01-126-8161
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-126-8161
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 06657
- (FIIG) Federal Item Identification Guide
- A500D0
- Date
- 02/17/1982 (44 years ago)
right-hand thread direction, 3a thread class, 0.313 inches minimum and 0.363 inches maximum thread length, 1.385 inches minimum and 1.415 inches maximum fastener length, flat countersunk head style
Specs & Compatibility
3a
right-hand
0.313 inches minimum and 0.363 inches maximum
1.385 inches minimum and 1.415 inches maximum
flat countersunk
0.344 inches minimum and 0.385 inches maximum
high-torque
0.190 inches
32
160000 pounds per square inch
36.0 rockwell c minimum and 40.0 rockwell c maximum
99.0 degrees minimum and 101.0 degrees maximum
steel comp 4140 or steel comp e4340 or steel comp 8740
mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
cadmium and chromate
qq-p-416,ty2,cl2 fed spec single treatment response
unjf
80205-nas1221 professional/industrial association standard
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.
0006657
Related Hardware Products
| Part Number | Description |
|---|---|
| NAS1221-3-17 | Machine Screw |