5305-00-837-0845
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-00-837-0845
- (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
- 01/01/1962 (64 years ago)
right-hand thread direction, pan head style, 3a thread class, 1.051 inches minimum and 1.081 inches maximum fastener length, 0.316 inches minimum thread length
Specs & Compatibility
3a
right-hand
0.316 inches minimum
1.051 inches minimum and 1.081 inches maximum
pan
0.464 inches minimum and 0.493 inches maximum
0.133 inches minimum and 0.150 inches maximum
0.2485 inches minimum and 0.2495 inches maximum
offset cruciform (torque set)
0.250 inches
0.750 inches nominal
28
160000 pounds per square inch
36.0 rockwell c minimum and 40.0 rockwell c maximum overall
32.0 microinches bearing surface of head
32.0 microinches grip
32.0 microinches threads
steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 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 overall
cadmium and chromate overall
qq-p-416 ty 2 cl 3 fed spec all treatment responses overall
unjf
80205-nas1144 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 |
|---|---|
| NAS1144-12 | Close Tolerance Screw |