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ORFS bulkhead lock-nut envelope, dash -6
ORFS bulkhead lock-nut envelope, dash -6: hex 1.000 in (25.40 mm) across flats × 0.310 in (7.87 mm) thick (Brennan FS0306-06), plain bore Ø17.46 at the nominal major diameter of 11/16-16 (a plain hole in place of the thread); no chamfers
Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.
STEP STL free, CC BY 4.0 (credit "Xem Studio")
Dimensions
| dash | -6 |
|---|---|
| tube OD (in) | 3/8 |
| thread (UN) | 11/16-16 |
| nut hex B (FS0318) | 0.812 in (20.62 mm) |
| nut width Q (in) | 0.670 |
| lock nut hex B (FS0306) | 1.000 in (25.40 mm) |
| lock nut width TT (in) | 0.310 |
| union hex H (FS2403, in) | 0.750 |
| male thread OD / female ID (in, as printed) | 11/16 (0.69) / 5/8 (0.63) |
| face-seal O-ring (Parker, AS568) | 2-012 (ID 0.36 / 9.3 in / mm, W 0.07 / 1.78) |
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ORFS O-ring face seal fittings (SAE J1453), dash -4 to -24: thread, tube OD, O-ring size, nut hex + lock-nut envelopes: every size, notes, mating features and sources. What thread, O-ring and wrench size is an ORFS -6 or -8 fitting?