40849 Round Plain Nut
5310-00-685-3290
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Official Item Classification
- Name
- Round Plain Nut
- Part Number
- 40849
- (NSN) National Stock Number
- 5310-00-685-3290
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5310 Nuts and Washers
- (INC) Item Name Code
- 15887
- (FIIG) Federal Item Identification Guide
- A021A0
- Date
- 01/01/1963 (63 years ago)
0.500 inches nominal nut thickness, right-hand thread direction, 3b thread class, 3.000 inches nominal nut diameter, round nut style
Specs & Compatibility
3b
right-hand
round
3.000 inches nominal
0.500 inches nominal
2
0.281 inches nominal
unf
12
1.250 inches
surface flat holes drilled on 2.500 in dia bolt circle; surface flat holes,two 0.281 in. dia 180 deg apart,one 0.250-20 nc tapped and evenly spaced between 0.281 in. holes; drill and tap on the periphery surface 180 deg from 0.250 in hole,one 0.312-18 nc hole flat bottom 0.469 in. to point
steel overall
mil-s-890 mil spec single material response overall
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.
0015887