Customers who purchased this item also purchased:

AN6 Airframe Bolt, 3/8-24 Thread

AN5 Airframe Bolt, 5/16-24 Thread

AN4 Airframe Bolt, 1/4-28 Thread

AN365 Nylock Hex Nut (MS20365)

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AN310 Castellated Nut

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

Stock Status

AN310-3
Condition: New
SKU: 40374

AN310 Castellated Nut, 10-32

1 to 9: $1.13 10 to 99: $1.03 100 & up: $0.92

In Stock

AN310-4
Condition: New
SKU: 40375

AN310 Castellated Nut, 1/4-28

1 to 9: $1.29 10 to 99: $1.16 100 & up: $1.03

In Stock

AN310-5
Condition: New
SKU: 40376

AN310 Castellated Nut, 5/16-24

1 to 9: $2.19 10 to 99: $2.02 100 & up: $1.85

In Stock

AN310-6
Condition: New
SKU: 40377

AN310 Castellated Nut, 3/8-24

1 to 9: $2.09 10 & up: $1.86

In Stock

AN310-7
Condition: New
SKU: 40378

AN310 Castellated Nut, 7/16-20

1 to 7: $4.99 8 to 59: $4.54 60 & up: $4.09

In Stock

AN310-8
Condition: New
SKU: 40379

AN310 Castellated Nut, 1/2-20

1 to 7: $6.29 8 to 59: $5.66 60 & up: $5.03

In Stock

AN310-10
Condition: New
SKU: 40380

AN310 Castellated Nut, 5/8-18

1 to 7: $9.74 8 to 59: $8.81 60 & up: $7.87

In Stock

AN310-12
Condition: New
SKU: 40381

AN310 Castellated Nut, 3/4-16

1 to 7: $4.94 8 & up: $4.49

In Stock

Customers who purchased this item also purchased
AN960 Flat Washer (100 pack)	AN6 Airframe Bolt, 3/8-24 Thread	AN5 Airframe Bolt, 5/16-24 Thread	AN4 Airframe Bolt, 1/4-28 Thread	AN365 Nylock Hex Nut (MS20365)

AN310 Castellated Nut

Order Qty

Part No.

Desc.

Price

Stock Status

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Related Product Groups

Airframe (AN) & Mil-Spec (MS) Nuts

AN and MS Nuts, AN and MS Washers, and AN Bolts