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AN310 Castellated Nut

Click for a larger picture of AN310 Castellated Nut
Click for a larger picture of AN310 Castellated Nut
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These Mil Spec castellated nuts are used with drilled shank bolts and Mil-Spec Cotter Pins (Part No. MS24665, sold separately) to provide secure attachment for critical fastener applications. They are suitable for high temperature locations where "Nylock" or Loctite temperature limits are exceeded. Cad plated mild steel construction. AN310 standard supersedes AN355. Sold individually.

AN310 Castle Nut Specifications
Thread (UNF-3A) Hex Size Max Height Height to Slot Slot Width Part No.
10-32 3/8" 1/4" 0.110" 5/64" AN310-3
1/4-28 7/16" 9/32" 0.125" 5/64" AN310-4
5/16-24 1/2" 21/64" 0.172" 5/64" AN310-5
3/8-24 9/16" 13/32" 0.218" 1/8" AN310-6
7/16-20 5/8" 29/64" 0.265" 1/8" AN310-7
1/2-20 3/4" 9/16" 0.359" 1/8" AN310-8
5/8-18 1" 23/32" 0.468" 5/32" AN310-10
3/4-16 1 1/8" 13/16" 0.562" 5/32" AN310-12

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Status

AN310-3
Condition: New
SKU: 40374

AN310 Castellated Nut, 10-32

1 to 9: $1.09

10 to 99: $1.00

100 & up: $0.91

In Stock

AN310-4
Condition: New
SKU: 40375

AN310 Castellated Nut, 1/4-28

1 to 11: $0.84

12 to 149: $0.76

150 & up: $0.68

In Stock

AN310-5
Condition: New
SKU: 40376

AN310 Castellated Nut, 5/16-24

1 to 9: $1.79

10 to 99: $1.59

100 & up: $1.39

In Stock

AN310-6
Condition: New
SKU: 40377

AN310 Castellated Nut, 3/8-24

1 to 9: $1.49

10 & up: $1.32

In Stock

AN310-7
Condition: New
SKU: 40378

AN310 Castellated Nut, 7/16-20

1 to 9: $2.79

10 to 99: $2.67

100 & up: $2.55

In Stock

AN310-8
Condition: New
SKU: 40379

AN310 Castellated Nut, 1/2-20

$2.99In Stock

AN310-10
Condition: New
SKU: 40380

AN310 Castellated Nut, 5/8-18

1 to 7: $5.49

8 & up: $5.24

In Stock

AN310-12
Condition: New
SKU: 40381

AN310 Castellated Nut, 3/4-16

1 to 7: $4.79

8 & up: $4.39

In Stock