NSN 5305-00-151-9490 NIIN — Cap Socket Head Screw

National Stock number : 5305-00-151-9490

Cap Socket Head Screw


Available Quantity 12
Available Conditions NE NS
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 05/08/2026
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

0.625in. ⁓5/8"

Fastener Length

0.750in. ⁓3/4"

Head Style

flat chamfer

Head Diameter

0.563in.

Head Height

0.375in. ⁓3/8"

Internal Drive Style

hexagon

Nominal Thread Diameter

0.375in. ⁓3/8"

Width Across Flats

0.312in. ⁓5/16"

Thread Quantity Per Inch

24

Hardness Rating

36.0 rockwell c and 43.0 rockwell c

Minimum Yield Strength

130000 pounds per square inch

Criticality Code Justification

feat

Surface Finish

125.0 microinches

Special Features

item is a NON-Aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.

Material

steel comp 4140 or steel comp E4340 or steel comp 6150 or steel comp 8735 or steel comp 8740

Material Document And Classification

MIL-S-5626 mil spec 1st material response or MIL-S-5000 mil spec 2nd material response or MIL-S-8503 mil spec 3rd material response or MIL-S-6098 mil spec 4th material response or MIL-S-6049 mil spec 5th material response

Test Data Document

81349-MILI6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.) .

Thread Series Designator

unf

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National Stock Number
5305-00-151-9490
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