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NAS1301C4-4
Assembled Washer Screw
Description
Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/8", pan head, NAS1301 series screw
Specifications
| Fastener Length | Between 0.218 inches and 0.250 inches |
|---|---|
| Head Diameter | Between 0.205 inches and 0.219 inches |
| Head Height | Between 0.078 inches and 0.080 inches |
| Head Style | Pan Head |
| Length | 1/4 |
| Material | Steel |
| Material Specification | Qq-s-763 federal specification 1st material response or astm a582 assn standard 2nd material response |
| Min. Tensile Strength (psi) | 55000 pounds per square inch |
| Specification Data | 80205-nas1301 professional/industrial association standard |
| Surface Treatment | Passivate |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.127 |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1301C4-4
- NAS1301C4-6
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1301C4-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error