AN837 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Type | Fitting, elbow 45°, flared tube |
| Status | Check the current issue of the standard before design use. |
Dimensions by size
| Dimension, in | -2 | -3 | -4 | -5 | -6 | -8 | -10 |
|---|---|---|---|---|---|---|---|
| OD — Tube O.D. | 1/8 | 3/16 | 1/4 | 5/16 | 3/8 | 1/2 | 5/8 |
| T — Thread size (ref.) | 5/16-24 | 3/8-24 | 7/16-20 | 1/2-20 | 9/16-18 | 3/4-16 | 7/8-14 |
| M — M (+3/64 / -0) | 1-3/8 | 1-3/8 | 1-17/32 | 1-17/32 | 1-43/64 | 1-15/16 | 2-11/64 |
| Q — Q (+3/64 / -0) | 41/64 | 41/64 | 45/64 | 3/4 | 13/16 | 31/32 | 1-3/32 |
| V — V | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 3/4 | 7/8 |
Dimensions in inches as tabulated in the catalogue listing; the standard governs. Blank cells: not stated in the listing.
Part numbers
| Part no. | Size | Tube O.D. | Thread size (ref.) |
|---|---|---|---|
| AN837-2 | 1/8 | 1/8 | 5/16-24 |
| AN837-3 | 3/16 | 3/16 | 3/8-24 |
| AN837-4 | 1/4 | 1/4 | 7/16-20 |
| AN837-5 | 5/16 | 5/16 | 1/2-20 |
| AN837-6 | 3/8 | 3/8 | 9/16-18 |
| AN837-8 | 1/2 | 1/2 | 3/4-16 |
| AN837-10 | 5/8 | 5/8 | 7/8-14 |
Part numbers as listed. The standard governs and may list other sizes.
Part number
What each code means
| Part | Meaning |
|---|---|
| Format | AN837<material><dash> |
| D | Material: Aluminum |
| - | Material: Steel |
| J | Material: Corrosion resistant steel |
| Example | AN837-4 — Steel, 1/4 in tube |
Notes from the standard
- M and Q shared by -2/-3 (and M by -4/-5) in the listing; repeated on each row.
Where to buy
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Sources
- AN837 — Elbow, Flared Tube, Universal, 45° — 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.