5305-00-149-9946
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-00-149-9946
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 29294
- (FIIG) Federal Item Identification Guide
- A003B0
- Date
- 01/01/1960 (66 years ago)
3a thread class, 1.142 inches minimum and 1.188 inches maximum fastener length, 0.469 inches minimum thread length, flat countersunk head style, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.469 inches minimum
1.142 inches minimum and 1.188 inches maximum
flat countersunk
0.497 inches minimum and 0.507 inches maximum
0.2483 inches minimum and 0.2492 inches maximum
hexagon
0.250 inches
0.688 inches nominal
0.157 inches minimum and 0.159 inches maximum
28
160000 pounds per square inch
36.0 rockwell c minimum and 40.0 rockwell c maximum overall
100.0 degrees nominal
32.0 microinches overall
steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 or steel comp 4037 overall
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 or ams 6300 assn std 6th material response overall
unf
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.
FPZ
0029294
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| Part Number | Description |
|---|---|
| NAS334A11 | Close Tolerance Screw |