NSN 5305-00-310-4980 NIIN — Cap Socket Head Screw

National Stock number : 5305-00-310-4980

Cap Socket Head Screw


Available Quantity 21,116
Available Conditions NE NS SV
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 01/14/2026
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

0.620in. and 0.750in. ⁓3/4"

Fastener Length

0.720in. and 0.750in. ⁓3/4"

Head Style

flat chamfer

Head Diameter

0.365in. and 0.375in.

Head Height

0.244in. and 0.250in. ⁓1/4"

Internal Drive Style

hexagon

End Item Identification

mrap RG-33

Nominal Thread Diameter

0.250in. ⁓1/4"

Width Across Flats

0.187in. and 0.190in. ⁓13/64"

Thread Quantity Per Inch

20

Minimum Tensile Strength

170000 pounds per square inch

Hardness Rating

38.0 rockwell c and 45.0 rockwell c

Minimum Yield Strength

150000 pounds per square inch

Color

black

Material

steel

Material Document And Classification

66 fed std single material response

Surface Treatment

oxide

Surface Treatment Document And Classification

MIL-C-13924, cl 1 mil spec single treatment response

Thread Series Designator

unrc

Specification/standard Data

80205-NAS1352 professional/industrial association standard

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National Stock Number
5305-00-310-4980
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