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NAS1351-5-12

Screw, Cap, Socket Head, 5/16-24 x 3/4, Alloy Steel

Socket head cap screw — NAS1351-5-12Engineering drawing of NAS1351-5-12, built to NAS1351.ABCDEFGSIDEEND
AHead diameter (A)Ø0.469"
BHead height (H)0.312"
CKey engagement (T)0.151"
DLength (L)0.750"
EBody diameter (D)Ø0.3125"
FSocket size (J)0.250" A/F
GThread5/16-24

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
—Not orderable17 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 size5/16-24
Thread class3A
Threads per inch24
Thread diameter0.3125"
Length0.75"
Body diameter / across flats0.3125"
Head diameter / across flats0.469"
Head height0.312"
MaterialAlloy Steel
FinishCadmium Plated
Head styleSocket Head
Drive typeHex Socket
Tensile strength180 ksi
Chamfer (in)0.008
Socket Size (in)0.25
Thread SeriesUNRF-3A
Socket Depth (in)0.151
Thread Length (in)1.125
Wall Thickness (in)0.119
Head Side Height (in)0.281

Standards & Cross-References

  • Defined byNAS1351Screw, Cap, Socket Head, Undrilled and Drilled, Plain and Self-Locking, UNRF-3A
  • Equivalent toMS16997Screw, Cap, Socket Head, Drilled (see NAS1351)inactive