MS20913 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Type | Fitting, plug, square head |
| Status | Check the current issue of the standard before design use. |
Dimensions by size
| Dimension, in | -0 | -1 | -2 | -3 | -4 | -6 | -8 |
|---|---|---|---|---|---|---|---|
| T — Thread T (NPT) | 1/16-27 | 1/8-27 | 1/4-18 | 3/8-18 | 1/2-14 | 3/4-14 | 1-11-1/2 |
| A — A (+.002 / -.010) | .188 | .281 | .375 | .438 | .563 | .625 | .813 |
| B — B | .188 | .250 | .281 | .312 | .375 | .438 | .500 |
| L — L | .312 | .328 | .484 | .484 | .625 | .641 | .797 |
Dimensions in inches as tabulated in the catalogue listing; the standard governs. Blank cells: not stated in the listing.
Part numbers
| Part no. | Size | Thread, in |
|---|---|---|
| MS20913-0 | 1/16-27 | 1/16-27 |
| MS20913-1 | 1/8-27 | 1/8-27 |
| MS20913-2 | 1/4-18 | 1/4-18 |
| MS20913-3 | 3/8-18 | 3/8-18 |
| MS20913-4 | 1/2-14 | 1/2-14 |
| MS20913-6 | 3/4-14 | 3/4-14 |
| MS20913-8 | 1-11-1/2 | 1-11-1/2 |
Part numbers as listed. The standard governs and may list other sizes.
Part number
What each code means
| Part | Meaning |
|---|---|
| Format | MS20913-<dash><material> |
| D | Material: Aluminum |
| (none) | Material: Copper |
| S | Material: Steel |
| Example | MS20913-4 — Copper, 1/2-14 NPT |
Notes from the standard
- L is one shared cell (.484) for -2 and -3 in the listing, repeated on each row.
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Sources
- MS20913 — Plug, Square Head, Safety Wire Hole — 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.