BACB30FB4-3 Close Tolerance Screw
5305-01-059-5916
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Official Item Classification
- Name
- Close Tolerance Screw
- Part Number
- BACB30FB4-3
- (NSN) National Stock Number
- 5305-01-059-5916
- (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
- 04/13/1978 (48 years ago)
right-hand thread direction, flat countersunk head style, 0.400 inches minimum and 0.450 inches maximum thread length, 0.597 inches minimum and 0.627 inches maximum fastener length, 3a thread class
Specs & Compatibility
3a
right-hand
0.400 inches minimum and 0.450 inches maximum
0.597 inches minimum and 0.627 inches maximum
flat countersunk
0.350 inches minimum and 0.399 inches maximum
0.2485 inches minimum and 0.2495 inches maximum
high-torque
0.250 inches
0.177 inches minimum and 0.197 inches maximum
28
160000 pounds per square inch
100.0 degrees nominal
32.0 microinches bearing surface of head
32.0 microinches threads
steel comp e4340 or steel comp 4340 or steel comp 8740 overall
cadmium 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.
0029294
Related Hardware Products
| Part Number | Description |
|---|---|
| BACB30FB4-3 | Close Tolerance Screw |