screws › assembled washer screws
NAS1301C8-4
Assembled Washer Screw
Description
Fastener Length: 7/32", Thread: 8-32, Thread Length: 9/64
Specifications
| End Application | Wing aircraft |
|---|---|
| Fastener Length | Between 0.218 inches and 0.282 inches |
| Head Diameter | Between 0.306 inches and 0.322 inches |
| Head Height | Between 0.105 inches and 0.115 inches |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Material | Steel |
| Material Specification | Mil-s-5059 military specification all material responses secondary washer, Qq-s-763 federal specification all material responses fastener |
| Specification Data | 80205-nas1301 professional/industrial association standard |
| Surface Treatment | Passivate primary |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response fastener, Qq-p-35 federal specification single treatment response primary washer, Qq-p-35 federal specification single treatment response secondary washer |
| Thread Class | 2a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.141 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 8 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1301C8-4
- NAS1301C8-5
- NAS1301C8-6
- NAS1301C8-8
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1301C8-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error