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NAS1352C04-4
Socket Head Cap Screw Stainless Steel 4-40 1/4
Description
Socket Head Screw
Specifications
| Country of Origin | USA |
|---|---|
| Drive Style | Hexagon |
| End Application | B-1 aircraft b-1b aircraft; support equipment airlifter c-17a; trainer advanced medium range air-to-air (amraam)/aim120a; aircraft hc-130); close in weapon system (ciws-phalanx); missile ec-130e mc-130h (ac-130h b-52 aircraft; aircraft an/tlq-17a; support equipment satellite an/gsc-39(v)1; traffic jam an/ugc-74; communications terminal w/s: communications terminal |
| Fastener Length | Between 0.220 inches and 0.250 inches |
| Hardness Rating | 80.0 rockwell b |
| Head Diameter | Between 0.176 inches and 0.183 inches |
| Head Height | Between 0.108 inches and 0.112 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 1/4 |
| Material | Steel |
| Material Specification | 66 federal standard all material responses |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Minimum Yield Strength | 30000 pounds per square inch |
| NIIN | 00-718-3111 |
| NSN | 5305-00-718-3111 |
| Nondefinitive Specification/Std Data | 6 type |
| Pre-Packaged Bag Quantity | 100 |
| Sold In | EA |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread | 4-40 |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.170 inches and 0.250 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 4 |
| Type | Coarse Thread |
| Weight | 0.0001 lb |
| Width Across Flats | Between 0.094 inches and 0.095 inches |
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.
- MS16997-9L MS #4-40 · 1/4 in · Flat chamfer · Steel
- NAS1352-04-4 NAS #4-40 · 1/4 in · Flat chamfer · Steel
- NAS1352-04-4P NAS #4-40 · 1/4 in · Flat chamfer · Steel
- NAS1352C04LB4 NAS #4-40 · 1/4 in · Flat chamfer · CRES
- NAS1352C04LB4P NAS #4-40 · 1/4 in · Flat chamfer · CRES
- NAS1352C04LE4 NAS #4-40 · 1/4 in · Flat chamfer · CRES
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Catalog data updated 2026-07-05. Report a data error