5305-00-959-2741
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-959-2741
- (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
- 05/27/1966 (60 years ago)
flat countersunk head style, 2a thread class, 0.251 inches minimum and 0.301 inches maximum thread length, 0.511 inches minimum and 0.541 inches maximum fastener length, right-hand thread direction
Specs & Compatibility
2a
right-hand
0.251 inches minimum and 0.301 inches maximum
0.511 inches minimum and 0.541 inches maximum
flat countersunk
0.277 inches minimum and 0.334 inches maximum
torque set
0.164 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 6150 or steel comp 8735 or steel comp 8740
mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response
cadmium and chromate
qq-p-416 ty 2 cl 3 fed spec all treatment responses
unc
80205-nas1622 professional/industrial association standard
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.
0006657
Related Hardware Products
| Part Number | Description |
|---|---|
| NAS1622-4 | Machine Screw |