screws › machine screws
3M1081-4-7
Screw
Description
Fastener Length: 25/32", Thread: 1/4-28, Thread Length: 5/16"
Specifications
| Color | Red head |
|---|---|
| Criticality Code Justification | Agav |
| Fastener Length | 0.7225 inches minimum and 0.7845 inches maximum |
| Length | 25/32 |
| Material | Steel |
| Material Specification | Nasm 7839 assn std single material response |
| Part Name Assigned By Controlling Agency | Screw, hex head, aircraft |
| Shoulder Diameter | 0.246 inches minimum grip and 0.2490 inches maximum grip |
| Shoulder Length | 0.4275 inches minimum grip and 0.4475 inches maximum grip |
| Shoulder Shape | Round grip |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.316 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- 3M1081-4-7
- 3M1081-4-12
Cross-reference
No interchangeable or dimensionally similar parts are on record for 3M1081-4-7. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error