5306-00-003-4109
Close Tolerance Bolt
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Official Item Classification
- Name
- Close Tolerance Bolt
- (NSN) National Stock Number
- 5306-00-003-4109
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5306 Bolts
- (INC) Item Name Code
- 27851
- (FIIG) Federal Item Identification Guide
- A003B0
- Date
- 05/14/1972 (54 years ago)
0.311 inches minimum and 0.378 inches maximum thread length, 3a thread class, right-hand thread direction, 2.228 inches minimum and 2.248 inches maximum fastener length, dished hexagon head style
Specs & Compatibility
3a
right-hand
0.311 inches minimum and 0.378 inches maximum
2.228 inches minimum and 2.248 inches maximum
dished hexagon
0.157 inches minimum and 0.172 inches maximum
0.492 inches minimum and 0.502 inches maximum
0.3108 inches minimum and 0.3117 inches maximum
0.076 inches minimum and 0.086 inches maximum first hole
0.312 inches
1.750 inches minimum and 1.766 inches maximum
24
36.0 rockwell c minimum and 41.0 rockwell c maximum overall
2.113 inches minimum and 2.143 inches maximum first hole
63.0 microinches bearing surface of head
63.0 microinches grip
w/retaining element on shank
steel overall
mil-b-83050 mil spec single material response overall
cadmium and chromate overall
qq-p-416 ty 2 cl 2 fed spec all treatment responses overall
unjf
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.
0027851
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