screws › close tolerance screws
CA22033-4-10-12
Screw
Description
Thread: 1/4-28, Thread Length: 1/4"
Specifications
| Criticality Code Justification | Agav |
|---|---|
| Grip Diameter | 0.249 |
| Grip Length | 0.438 |
| Material | Iron |
| Part Name Assigned By Controlling Agency | (inavy)screw,close tolerance,aircraft |
| Special Features | Fastner-captive,100deg reduced head,gear drive recess,a286cres,95ksi shear;not intended for use in structural applications;use with retaining ring 3m1239 & self-locking plate nut |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.312 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- 3M1312-4-5 Commercial 1/4-28 · Iron
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Catalog data updated 2026-07-05. Report a data error