AN840 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Type | Fitting, adapter, straight, pipe to hose |
| Status | Check the current issue of the standard before design use. |
Dimensions by size
| Dimension, in | -4 | -6 | -8 | -10 | -11 | -12 | -16 |
|---|---|---|---|---|---|---|---|
| OD — Hose I.D. | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 3/4 | 1 |
| P — Pipe thread (ANPT) | 1/8 | 1/4 | 3/8 | 1/2 | 3/8 | 3/4 | 3/4 |
| B — B (+1/32 / -0) | 2-5/64 | 2-11/32 | 2-3/8 | 2-37/64 | 2-13/32 | 2-5/8 | 2-5/8 |
| C — C | .437 | .625 | .750 | .937 | 1.000 | 1.125 | 1.250 |
| L — L | 25/64 | 19/32 | 19/32 | 49/64 | 19/32 | 25/32 | 25/32 |
Dimensions in inches as tabulated in the catalogue listing; the standard governs. Blank cells: not stated in the listing.
Part numbers
| Part no. | Size | Hose I.D., in | Pipe thread |
|---|---|---|---|
| AN840-4 | 1/4 | 1/4 | 1/8 |
| AN840-6 | 3/8 | 3/8 | 1/4 |
| AN840-8 | 1/2 | 1/2 | 3/8 |
| AN840-10 | 5/8 | 5/8 | 1/2 |
| AN840-11 | 3/4 | 3/4 | 3/8 |
| AN840-12 | 3/4 | 3/4 | 3/4 |
| AN840-16 | 1 | 1 | 3/4 |
Part numbers as listed. The standard governs and may list other sizes.
Part number
What each code means
| Part | Meaning |
|---|---|
| Format | AN840-<dash><material> |
| D | Material: Aluminum |
| (none) | Material: Copper alloy |
| S | Material: Steel |
| Example | AN840-4 — Copper alloy, 1/4 in hose |
Notes from the standard
- Fitting end in accordance with MS33658; pipe thread per MIL-P-7105 (drawing notes).
- Chamfer 45°; 30° ±5° as drawn.
Where to buy
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Sources
- AN840 — Adapter, Straight, Pipe to Hose — 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.