NSN 5305-01-140-0589 NIIN — Cap Socket Head Screw

National Stock number : 5305-01-140-0589

Cap Socket Head Screw


Available Quantity 1,905
Available Conditions NS NE
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 07/10/2025
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

0.164in. and 0.250in. ⁓1/4"

Fastener Length

0.220in. and 0.250in. ⁓1/4"

Head Style

flat chamfer

Head Diameter

0.262in. and 0.270in.

Head Height

0.159in. and 0.164in. ⁓11/64"

Hole Diameter

0.044in. and 0.050in. ⁓1/16"

Internal Drive Style

hexagon

Nominal Thread Diameter

0.164in. (UTS #8)

Width Across Flats

0.141in. and 0.143in. ⁓5/32"

Hole Quantity

6

Hole Type

drilled

Thread Quantity Per Inch

36

Minimum Tensile Strength

180000 pounds per square inch

Hardness Rating

38.0 rockwell c and 45.0 rockwell c

Minimum Yield Strength

155000 pounds per square inch

Hole Configuration Style

round internal hexagon

Special Features

finish color black

Material

steel

Surface Treatment

oxide

Surface Treatment Document And Classification

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

Thread Series Designator

unrf

Specification/standard Data

80205-NAS1351 professional/industrial association standard

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National Stock Number
5305-01-140-0589
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