AN912 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Type | Fitting, pipe bushing |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A — A internal pipe thread | 1/4 | 3/8 | 3/8 | 1/2 | 1/2 | 1/2 | 3/4 | 3/4 | 3/4 | 1 | 1 | 1 |
| T — T external pipe thread | 1/8 | 1/4 | 1/8 | 3/8 | 1/4 | 1/8 | 1/2 | 3/8 | 1/4 | 3/4 | 1/2 | 3/8 |
| B — B (±1/32) | 25/32 | 25/32 | 25/32 | 1-1/64 | 1-1/64 | 1-1/64 | 1-1/16 | 1-1/16 | 1-1/16 | 1-1/4 | 1-1/4 | 1-1/4 |
| C — C | .625 | .750 | .750 | .937 | .937 | .937 | 1.125 | 1.125 | 1.125 | 1.375 | 1.375 | 1.375 |
| Ct — C tolerance | +.004 | +.004 | +.004 | +.004 | +.004 | +.004 | +.005 | +.005 | +.005 | +.005 | +.005 | +.005 |
| K — K dia. | .327 | .423 | .327 | .557 | .423 | .327 | .688 | .557 | .423 | .897 | .688 | .557 |
| Kt — K tolerance | +.000/-.016 | +.000/-.019 | +.000/-.016 | +.000/-.028 | +.000/-.019 | +.000/-.016 | +.000/-.034 | +.000/-.028 | +.000/-.019 | +.000/-.049 | +.000/-.034 | +.000/-.028 |
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.
1/83 part numbers
| Part no. | Internal pipe thread | External pipe thread |
|---|---|---|
| AN912-1 | 1/4 | 1/8 |
| AN912-3 | 3/8 | 1/8 |
| AN912-6 | 1/2 | 1/8 |
1/43 part numbers
| Part no. | Internal pipe thread | External pipe thread |
|---|---|---|
| AN912-2 | 3/8 | 1/4 |
| AN912-5 | 1/2 | 1/4 |
| AN912-9 | 3/4 | 1/4 |
3/83 part numbers
| Part no. | Internal pipe thread | External pipe thread |
|---|---|---|
| AN912-4 | 1/2 | 3/8 |
| AN912-8 | 3/4 | 3/8 |
| AN912-12 | 1 | 3/8 |
3/41 part number
| Part no. | Internal pipe thread | External pipe thread |
|---|---|---|
| AN912-10 | 1 | 3/4 |
Part number
What each code means
| Part | Meaning |
|---|---|
| Format | AN912-<dash><material> |
| D | Material: Aluminum |
| (none) | Material: Copper alloy |
| J | Material: Corrosion resistant steel |
| Example | AN912-2 — Copper alloy, 3/8 internal to 1/4 external pipe |
Notes from the standard
- Internal thread A per MIL-P-7105; fitting end per MS33677, style C.
- Cells printed once across several rows in the listing are repeated on each row they span.
- The listing prints tolerances beside some columns; where one cell spans several rows it applies to all of them.
Where to buy
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Sources
- AN912 — Bushing, Pipe — 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.