AN520 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Head | pan head, fine thread, legacy designation |
| Drive | cross recess |
| Status | Check the current issue before design use. |
Part numbers and lengths
Sizes commonly stocked. The standard governs and may list other lengths.
6-404 part numbers
| Part no. | Length, in |
|---|---|
| AN520-6R4 | 1/4 |
| AN520-6R6 | 3/8 |
| AN520-6R8 | 1/2 |
| AN520-6R12 | 3/4 |
8-364 part numbers
| Part no. | Length, in |
|---|---|
| AN520-8R5 | 5/16 |
| AN520-8R6 | 3/8 |
| AN520-8R8 | 1/2 |
| AN520-8R10 | 5/8 |
10-3216 part numbers
| Part no. | Length, in |
|---|---|
| AN520-10R4 | 1/4 |
| AN520-10R5 | 5/16 |
| AN520-10R6 | 3/8 |
| AN520-10R7 | 7/16 |
| AN520-10R8 | 1/2 |
| AN520-10R10 | 5/8 |
| AN520-10R12 | 3/4 |
| AN520-10R14 | 7/8 |
| AN520-10R16 | 1 |
| AN520-10R20 | 1-1/4 |
| AN520-10R24 | 1-1/2 |
| AN520-10R28 | 1-3/4 |
| AN520-10R32 | 2 |
| AN520-10R36 | 2-1/4 |
| AN520-10R40 | 2-1/2 |
| AN520-10R48 | 3 |
1/4-287 part numbers
| Part no. | Length, in |
|---|---|
| AN520-416R6 | 3/8 |
| AN520-416R7 | 7/16 |
| AN520-416R8 | 1/2 |
| AN520-416R10 | 5/8 |
| AN520-416R12 | 3/4 |
| AN520-416R14 | 7/8 |
| AN520-416R16 | 1 |
Part number
Notes from the standard
- Old AN designation; MS35207 is the current standard. Number: thread code, R, then length in sixteenths of an inch.
- Part number written as the listing writes it; the standard governs the exact format.
- Approved data governs. Use the screw the SRM, drawing or IPC calls for.
Where to buy
AmericaDistributor coming soonOur partner for this region is on its way
EuropeDistributor coming soonOur partner for this region is on its way
OceaniaDistributor coming soonOur partner for this region is on its way
Distributors coming soon.
Sources
- AN520 — Screw, Machine, Pan Head, Non-Structural, Fine Thread — nominal sizes and part numbers.
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.