5305-01-056-1506
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-056-1506
- (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
- 02/17/1978 (48 years ago)
0.755 inches minimum and 0.832 inches maximum thread length, flat countersunk head style, 2.203 inches minimum and 2.260 inches maximum fastener length, right-hand thread direction, 3a thread class
Specs & Compatibility
3a
right-hand
0.755 inches minimum and 0.832 inches maximum
2.203 inches minimum and 2.260 inches maximum
flat countersunk
1.007 inches minimum and 1.017 inches maximum
0.4982 inches minimum and 0.4991 inches maximum
cross recess type 1
0.500 inches
1.428 inches minimum and 1.448 inches maximum
20
160000 pounds per square inch
36.0 rockwell c minimum and 40.0 rockwell c maximum overall
100.0 degrees nominal
32.0 microinches grip
steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 overall
cadmium and chromate overall
qq-p-416 ty2 cl2 fed spec single treatment response overall
unjf
80205-nas338 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.
0029294
Related Hardware Products
| Part Number | Description |
|---|---|
| NAS338CPA21 | Close Tolerance Screw |