NSN 5306-00-180-2743 NIIN — Close Tolerance Bolt

National Stock number : 5306-00-180-2743

Close Tolerance Bolt


Available Quantity 1,434
Available Conditions NS NE AR
Classification Bolts - FSC 5306
Schedule B 7318152000
Stock Check Date 04/08/2026
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

Close Tolerance Bolt

Thread Class

3a

Thread Direction

RIGHT-Hand

Thread Length

0.375in. and 0.453in. ⁓29/64"

Fastener Length

0.453in. and 0.500in. ⁓1/2"

Head Style

hexagon

Head Height

0.109in. and 0.141in. ⁓9/64"

Width Between Flats

0.365in. and 0.377in.

Grip Diameter

0.1889in. and 0.1894in.

Shank Unthreaded Hole Diameter

0.070in. first hole and 0.080in. first hole

Nominal Thread Diameter

0.190in. (UTS #10)

Grip Length

0.047in. and 0.078in.

Thread Quantity Per Inch

32

Minimum Tensile Strength

125000 pounds per square inch

Hardness Rating

26.0 rockwell c and 32.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center

0.312in. first hole and 0.344in. first hole

Material

steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037

Surface Treatment

cadmium and chromate

Surface Treatment Document And Classification

QQ-P-416, ty 2, cl 3 fed spec all treatment responses

Thread Series Designator

unf

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National Stock Number
5306-00-180-2743
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