MS21206 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Type | Countersunk washer |
| Material | Alloy steel, cadmium plate Type II Class 2 |
| Status | Check the current issue before design use. |
Part numbers
| Part no. | Size | B, max | D, max | I.D., max |
|---|---|---|---|---|
| MS21206C3 | No. 10 | .372 | .195 | .290 |
| MS21206C4 | 1/4 | .470 | .255 | .350 |
| MS21206C5 | 5/16 | .573 | .318 | .412 |
| MS21206C6 | 3/8 | .679 | .380 | .507 |
| MS21206C8 | 1/2 | .898 | .505 | .632 |
Sizes commonly stocked. The standard governs and may list others.
Part number
What each code means
| Part | Meaning |
|---|---|
| Example | MS21206C3 — Nominal size No. 10 |
Notes from the standard
- Printed in the listing as 45° countersunk design, alloy steel, cadmium plate Type II Class 2 (MS21206C).
- Part number written as the listing writes it; the standard governs the exact format.
- Approved data governs. Use the washer the SRM, drawing or IPC calls for.
Where to buy
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Sources
- MS21206 — Washer, 45° Countersunk, Alloy Steel, Cadmium Plate Type II Class 2 — 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.