FastenerhubNAS / MS / AN — specs · drawings · cross-references

NAS1352-04-6

Screw, Cap, Socket Head, 4-40 x 3/8, Alloy Steel

Socket head cap screw — NAS1352-04-6Engineering drawing of NAS1352-04-6, built to NAS1352.ABCDEFGSIDEEND
AHead diameter (A)Ø0.183"
BHead height (H)0.112"
CKey engagement (T)0.051"
DLength (L)0.375"
EBody diameter (D)Ø0.112"
FSocket size (J)0.094" A/F
GThread4-40

Generated from the NAS1351/NAS1352 Rev 9 dimension table. Letters key to the table below. Dimensions in inches — reference only; consult the standard for tolerances.

Where to Buy

SupplierPriceAvailabilityUpdated
Bisco Industries
AS9100DAS9120B
$10.43/ EAAvailable to order16 hours agoView product ↗
Military Fasteners
AS9120BISO 9001:2015
$0.63/ EAAvailable to order16 hours agoView product ↗

Only AS9100-series certified suppliers are listed, so every source here can provide lot traceability. “Available to order” means the supplier will accept an order — it does not confirm shelf stock. Quote-only listings require supplier confirmation of price and availability. Prices are the supplier's own as of the time shown and may have changed since; the supplier's page is authoritative.

Technical Specifications

Categoryscrew
Thread size4-40
Thread class3A
Threads per inch40
Thread diameter0.112"
Length0.375"
Body diameter / across flats0.112"
Head diameter / across flats0.183"
Head height0.112"
MaterialAlloy Steel
FinishCadmium Plated
Head styleSocket Head
Drive typeHex Socket
Tensile strength180 ksi
Chamfer (in)0.005
Socket Size (in)0.094
Thread SeriesUNRC-3A
Socket Depth (in)0.051
Thread Length (in)0.75
Wall Thickness (in)0.038
Head Side Height (in)0.101

Standards & Cross-References

  • Defined byNAS1352Screw, Cap, Socket Head, Undrilled and Drilled, Plain and Self-Locking, UNRC-3A
  • Equivalent toMS16998Screw, Cap, Socket Head (see NAS1352)inactive