MS20073 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Type | Drilled head bolt, fine thread |
| Status | Check the current issue before design use. |
Dimensions by size
| Dimension, in | 10-32 | 1/4-28 |
|---|---|---|
| Thread | 10-32 | 1/4-28 |
Thread as stated for the standard. Head and shank dimensions are not shown here: take them from the standard.
Part numbers
Part numbers commonly stocked, with grip and length. The standard governs and may list others.
10-328 part numbers
| Part no. | Grip, in | Length, in |
|---|---|---|
| MS20073-03-03 | .062 | .469 |
| MS20073-03-04 | .062 | .594 |
| MS20073-03-05 | .125 | .656 |
| MS20073-03-06 | .250 | .781 |
| MS20073-03-07 | .375 | .906 |
| MS20073-03-10 | .500 | 1.031 |
| MS20073-03-11 | .625 | 1.156 |
| MS20073-03-12 | .750 | 1.281 |
1/4-288 part numbers
| Part no. | Grip, in | Length, in |
|---|---|---|
| MS20073-04-03 | .062 | .469 |
| MS20073-04-04 | .062 | .594 |
| MS20073-04-05 | .125 | .656 |
| MS20073-04-06 | .250 | .781 |
| MS20073-04-07 | .375 | .906 |
| MS20073-04-10 | .500 | 1.031 |
| MS20073-04-11 | .625 | 1.156 |
| MS20073-04-12 | .750 | 1.281 |
Part number
What each code means
| Part | Meaning |
|---|---|
| Example | MS20073-03-03 — Drilled head bolt, 10-32 thread, grip .062, length .469 |
Notes from the standard
- Dash numbers as listed: -03 is the 10-32 thread, -04 the 1/4-28 thread.
- Part number format as commonly written; check the standard for the exact format.
- Approved data governs. Use the bolt the SRM, drawing or IPC calls for.
Where to buy
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Sources
- MS20073 — Bolt, Drilled Head, Fine Thread — 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.