NSN 5305-01-644-4214 NIIN — Cap Socket Head Screw

National Stock number : 5305-01-644-4214

Cap Socket Head Screw


Available Quantity 4,061
Available Conditions NE
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 05/16/2025
Part-Number.info Quality System
  •   ISO 9001:2015 + AS9120B Certifed
  •   Audited supply chain
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   HAZMAT Certified
  •   ITAR and DDTC Registered
AS9120 Certified Supplier

Product Properties


Description

Cap Socket Head Screw

Thread Class

3a

Thread Direction

RIGHT-Hand

Thread Length

0.750in. ⁓3/4"

Fastener Length

0.750in. ⁓3/4"

Head Style

flat countersunk

Head Diameter

0.600in. and 0.656in.

Internal Drive Style

hexagon

Iii End Item Identification

2350-01-577-0830

Nominal Thread Diameter

0.312in. ⁓5/16"

Width Across Flats

0.188in. ⁓13/64"

Thread Quantity Per Inch

18

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c and 43.0 rockwell c

Minimum Yield Strength

130000 pounds per square inch

Countersink Angle

80.0 degrees and 84.0 degrees

Material

steel

Material Document And Classification

66 fed std single material response

Surface Treatment

zinc

Surface Treatment Document And Classification

astm B633, type ii, class fe/zn 5 assn std single treatment response

Thread Series Designator

unc

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National Stock Number
5305-01-644-4214
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