screws › close tolerance screws
NAS7704-8
Screw
Description
Fastener Length: 7/8", Thread: 1/4-28, Thread Length: 25/64"
Specifications
| Fastener Length | 0.855 inches minimum and 0.885 inches maximum |
|---|---|
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.490 inches minimum and 0.510 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 | 7/8 |
| Material | Steel |
| Material Specification | Mil-s-6049 mil spec 1st material response or ams 6322 assn std 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas7704 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 2 fed spec single 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
No interchangeable or dimensionally similar parts are on record for NAS7704-8. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error