screws › close tolerance screws
NAS7704-12
Screw
Description
Fastener Length: 1-1/8", Thread: 1/4-28, Thread Length: 25/64"
Specifications
| Fastener Length | 1.105 inches minimum and 1.135 inches maximum |
|---|---|
| Grip Diameter | 0.248 inches minimum and 0.249 inches maximum |
| Grip Length | 0.740 inches minimum and 0.760 inches maximum |
| Head Diameter | 0.473 inches minimum and 0.492 inches maximum |
| Head Height | 0.162 inches minimum and 0.175 inches maximum |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 1/8 |
| Material | Steel |
| Material Specification | Mil-s-6049 mil spec 1st material response or ams 6322 assn std 2nd material response |
| Special Features | Note: chromium plate on shank only. |
| Surface Treatment | Cadmium or chromate |
| Surface Treatment Specification | Qq-p-0416, type ii,class 2 fed spec 1st treatment response or qq-p-320, class 2 fed spec 2nd treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.345 inches minimum and 0.395 inches maximum |
| 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.
- NAS7704-4
- NAS7704-6
- NAS7704-8
- NAS7704-10
- NAS7704-12
- NAS7704-24
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.
- BACB30LK4-12 BAC 1/4-28 · 0.073 in · Pan Head · Iron
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error