Hardware Flashcards
AN470
Universal Head - Rivet
AN426
Countersunk Head - Rivet
AN422 (Replaced by AN470)
Flat Head - Rivet
AN430 (Replaced by AN470)
Round Head - Rivet
AN455 (Replaced by AN470)
Brazier Head - Rivet
1100
Aluminum (A)
No identifying marks
2117
Aluminum Alloy (AD) Dimple
5056
Aluminum Alloy (B)
Raised cross
Made with 5% magnesium
2017
Aluminum Alloy (D) Raised dot "icebox" rivet
2024
Aluminum Alloy (DD) Two raised dashes "icebox" rivet
7050
Aluminum Alloy (E)
Raised circle
Contains zinc
Letter code for corrosion-resistant steel
F
No marking on head
What symbols are on the head of an AN Standard bolt;
What does the “-“ symbol on an AN Standard bolt indicate
” + “ or “ * “ on head of bolt
“ - “ indicates corrosion resistant
What is the AN range of Standard aircraft bolts
AN3 through AN20
What is the AN range of Drilled-Head Engine Bolts
AN73 through AN 81
What is the AN range of Clevis Bolts
AN21 through AN36
What is the range of Close Tolerance Bolts
AN173 through AN186
What is the range of Internal Wrenching Bolts
MS20004 through MS20024
What is indicated by “B”, “C”, and “D” on nut codes
“B” : brass
“C” : corrosion resistant steel
“D” : aluminum alloy
AN310
Castle Nut
AN320
Shear Castle Nut
AN315
Plain Nut
AN316
Check Nut
AN340
Machine Screw Nut
AN355
Slotted Engine Nut
AN360
Plain Engine Nut
AN350
Wing Nut
AN365
Low Temperature Self-Locking Nuts
AN363
All Metal Lock Nuts
AN364
Shear Self-Locking Nuts
AN960
Plain Washer
AN970
Large Area Washer
AN935
Split Lock lock asher
AN936
Shake Proof lock washer
MS2002C
Countersunk Washer
