NSN 5305-01-178-3689 NIIN — Cap Socket Head Screw

National Stock number : 5305-01-178-3689

Cap Socket Head Screw


Available Quantity 2,470
Available Conditions NE NS
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 03/24/2025
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

0.282in. and 0.375in. ⁓3/8"

Fastener Length

0.344in. and 0.375in. ⁓3/8"

Head Style

pan

Head Diameter

0.256in. and 0.270in.

Head Height

0.087in. and 0.097in. ⁓7/64"

Locking Feature

patch threads or pellet threads or strip threads

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.138in. (UTS #6)

Thread Quantity Per Inch

32

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c and 40.0 rockwell c

Surface Finish

32.0 microinches threads

Material

steel comp 4140 fastener or steel comp 4340 fastener or steel comp 8740 fastener

Material Document And Classification

NMIL-S-5626 mil spec 1st material response fastener or MIL-S-8844 mil spec 2nd material response fastener or AMS6414 assn std 2nd material response fastener or MIL-S-6049 mil spec 3rd material response fastener

Surface Treatment

cadmium fastener and chromate fastener

Surface Treatment Document And Classification

QQ-P-416 TY2 CL2 fed spec single treatment response fastener

Thread Series Designator

unjc

Specification/standard Data

80205-NAS1190 professional/industrial association standard

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National Stock Number
5305-01-178-3689
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