AN893 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Type | Fitting, bushing, straight thread reducer |
| Status | Check the current issue of the standard before design use. |
Dimensions by size
| Dimension, in | -1 | -2 | -3 | -4 | -5 | -6 | -7 | -8 | -9 | -10 | -11 | -12 | -121 | -13 | -14 | -15 | -151 | -16 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OD1 — Internal end tube O.D. | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 5/16 | 5/16 | 5/16 | 5/16 | 5/16 | 3/8 | 3/8 | 3/8 | 3/8 | 3/8 | 1/2 | 1/2 |
| S — Internal thread S (ref.) | .4375-20 | .4375-20 | .4375-20 | .4375-20 | .4375-20 | .4375-20 | .5000-20 | .5000-20 | .5000-20 | .5000-20 | .5000-20 | .5625-18 | .5625-18 | .5625-18 | .5625-18 | .5625-18 | .7500-16 | .7500-16 |
| OD2 — External end tube O.D. | 5/16 | 3/8 | 1/2 | 3/4 | 1 | 1-1/4 | 3/8 | 1/2 | 3/4 | 1 | 1-1/4 | 1/2 | 5/8 | 3/4 | 1 | 1-1/4 | 5/8 | 3/4 |
| T — External thread T (ref.) | 1/2-20 | 9/16-18 | 3/4-16 | 1-1/16-12 | 1-5/16-12 | 1-5/8-12 | 9/16-18 | 3/4-16 | 1-1/16-12 | 1-5/16-12 | 1-5/8-12 | 3/4-16 | 7/8-14 | 1-1/16-12 | 1-5/16-12 | 1-5/8-12 | 7/8-14 | 1-1/16-12 |
| G — G | .750 | .813 | 1.000 | 1.375 | 1.625 | 1.875 | .813 | 1.000 | 1.375 | 1.625 | 1.875 | 1.000 | 1.125 | 1.375 | 1.625 | 1.875 | 1.125 | 1.375 |
| M — M | 1-7/64 | 1-7/64 | 25/32 | 31/32 | 31/32 | 31/32 | 1-7/64 | 1-7/64 | 31/32 | 31/32 | 31/32 | 1-11/64 | 1-7/32 | 31/32 | 31/32 | 31/32 | 1-3/8 | 1-11/32 |
Dimensions in inches as tabulated in the catalogue listing; the standard governs. Blank cells: not stated in the listing.
Part numbers
Part numbers as listed. The standard governs and may list other sizes.
5/161 part number
| Part no. | Internal end tube O.D. | External end tube O.D. |
|---|---|---|
| AN893-1 | 1/4 | 5/16 |
1/23 part numbers
| Part no. | Internal end tube O.D. | External end tube O.D. |
|---|---|---|
| AN893-3 | 1/4 | 1/2 |
| AN893-8 | 5/16 | 1/2 |
| AN893-12 | 3/8 | 1/2 |
3/44 part numbers
| Part no. | Internal end tube O.D. | External end tube O.D. |
|---|---|---|
| AN893-4 | 1/4 | 3/4 |
| AN893-9 | 5/16 | 3/4 |
| AN893-13 | 3/8 | 3/4 |
| AN893-16 | 1/2 | 3/4 |
13 part numbers
| Part no. | Internal end tube O.D. | External end tube O.D. |
|---|---|---|
| AN893-5 | 1/4 | 1 |
| AN893-10 | 5/16 | 1 |
| AN893-14 | 3/8 | 1 |
Part number
What each code means
| Part | Meaning |
|---|---|
| Format | AN893-<dash><material> |
| D | Material: Aluminum |
| (none) | Material: Steel |
| J | Material: Corrosion resistant steel |
| Example | AN893-4 — Steel, dash 4 |
Notes from the standard
- Cells printed once across several rows in the listing are repeated on each row they span.
- Dash numbers 121 and 151 are printed as such.
Where to buy
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Distributors coming soon.
Sources
- AN893 — Bushing, Female Straight to Male Straight Screw Thread Reducer — 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.