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NAS1190-04P4
Machine Screw
Description
Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/4
Specifications
| End Application | Marine corps osprey v-22a f100 pw220 (f-15c/d/e); aircraft aircraft f16c/d); m1a2 abrams tank; engine aircraft f-100-pw-229 (f15e f100-pw-200 (f-16a/b/c/d); engine aircraft air force; engine osprey v-22a 120mm gun (m1a1); aircraft ft combat m1a2system enhancement prog; ah-64d longbow; tank |
|---|---|
| Fastener Length | Between 0.219 inches and 0.250 inches |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.205 inches and 0.219 inches |
| Head Height | Between 0.070 inches and 0.080 inches |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | Steel |
| Material Specification | Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1190 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Type 2 cl 2 federal specification single treatment response qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.169 inches and 0.250 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNJC |
| Thread Size | 4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
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Catalog data updated 2026-07-05. Report a data error