5306-00-005-0548
Close Tolerance Bolt
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Official Item Classification
- Name
- Close Tolerance Bolt
- (NSN) National Stock Number
- 5306-00-005-0548
- (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
- 06/07/1972 (54 years ago)
Length: 1.54-1.56", thread: 5/16-24, dished hex head, steel
Specs & Compatibility
63.0 microinches bearing surface of head
1.425 inches minimum first hole and 1.455 inches maximum first hole
36.0 rockwell c minimum overall and 41.0 rockwell c maximum overall
24
1.062 inches minimum and 1.078 inches maximum
0.312 inches
0.076 inches minimum first hole and 0.086 inches maximum first hole
0.492 inches minimum and 0.502 inches maximum
0.3108 inches minimum and 0.3117 inches maximum
0.157 inches minimum and 0.172 inches maximum
Dished hexagon
1.540 inches minimum and 1.560 inches maximum
Right-hand
0.311 inches minimum and 0.378 inches maximum
3a
63.0 microinches grip
W/retaining element
Steel overall
Mil-b-83050 mil spec single material response overall
Cadmium and chromate
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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