NSN 5305-00-494-5678 NIIN — Close Tolerance Screw

National Stock number : 5305-00-494-5678

Close Tolerance Screw


Available Quantity 1,498
Available Conditions NS NE
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 03/19/2026
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

Close Tolerance Screw

Thread Class

3a

Thread Direction

RIGHT-Hand

Thread Length

0.475in. and 0.557in. ⁓9/16"

Fastener Length

0.939in. and 0.949in. ⁓61/64"

Head Style

flat chamfer

Head Diameter

0.350in.

Head Height

0.050in. and 0.060in. ⁓1/16"

Grip Diameter

0.1885in. and 0.1895in.

Internal Drive Style

HIGH-Torque

Nominal Thread Diameter

0.190in. (UTS #10)

Grip Length

0.392in. and 0.402in.

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

40.0 microinches grip

Material

steel comp 4130 or steel comp 4140 or steel comp 8740

Surface Treatment

cadmium and chromate

Surface Treatment Document And Classification

QQ-P-416, ty 2, class 3 fed spec single treatment response

Thread Series Designator

unf

Pricing and Availability Quote

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National Stock Number
5305-00-494-5678
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