screws › machine screws
NAS1102-04-6B
Machine Screw
Description
Length: 3/8", Thread: 4-40, Thread Length: 21/64", NAS1102 series screw
Specifications
| Color | Black |
|---|---|
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
| Fastener Length | Between 0.344 inches and 0.375 inches |
| Hardness Rating | Between 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.177 inches and 0.225 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque set |
| Length | 3/8 |
| 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-nas1102 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 3 federal specification all treatment responses type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.299 inches and 0.330 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
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS24693-B4 MS #4-40 · 3/8 in · Flat countersunk
- NAS1102E04-6 NAS #4-40 · 3/8 in · Flat countersunk · Iron
- NAS1102E04-6P NAS #4-40 · 3/8 in · Flat countersunk · Iron
- NAS1189-04P6 NAS #4-40 · 3/8 in · Flat countersunk · Steel
- NAS514P440-6 NAS #4-40 · 3/8 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error