MS14145 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Type | Castellated self-locking nut |
| Material | Not stated in the documents we hold |
| Max. temperature | 450 °F |
| Status | Check the current issue of the standard before design use. |
Dimensions by size
| Dimension, in | .1900-32 | .2500-28 | .3125-24 | .3750-24 | .4375-20 | .5000-20 | .5625-18 | .6250-18 |
|---|---|---|---|---|---|---|---|---|
| A — A, max | .325 | .420 | .520 | .579 | .645 | .770 | .850 | .910 |
| C — C, min | .277 | .348 | .419 | .480 | .552 | .623 | .765 | .836 |
| H max — Height, max | .203 | .203 | .203 | .203 | .234 | .265 | .328 | .328 |
| H min — Height, min | .173 | .173 | .173 | .173 | .204 | .235 | .298 | .298 |
| W max — Across flats, max | .252 | .315 | .378 | .440 | .504 | .566 | .692 | .755 |
| W min — Across flats, min | .243 | .305 | .367 | .429 | .492 | .554 | .678 | .741 |
Dimensions in inches, as tabulated for the part. Blank cells (—): not stated in the documents we hold; take them from the standard.
Part numbers
Part numbers as listed for the part; the standard governs and may list others.
.6250-182 part numbers
| Part no. | Lubricant |
|---|---|
| MS14145-10 | No dry-film lubricant |
| MS14145L10 | Dry-film lubricant |
Part number
What each code means
| Part | Meaning |
|---|---|
| Example | MS14145-4 — .2500-28 thin castellated self-locking nut |
Notes from the standard
- Thread to MIL-S-8879. L before the dash number: dry-film lubricant.
- Part number format as commonly written; check the standard for the exact format.
- Approved data governs. Use the nut the SRM, drawing or IPC calls for.
- B (nut height to the slot root) is on the drawing; the listing does not tabulate it.
Where to buy
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Sources
- MS14145 — Nut, Self-Locking, Castellated, Thin, Lightweight, 450 °F — 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.