NSN 5306-01-225-5207 NIIN — Close Tolerance Bolt

National Stock number : 5306-01-225-5207

Close Tolerance Bolt


Available Quantity 206
Available Conditions NE NS
Classification Bolts - FSC 5306
Schedule B 7318152000
Stock Check Date 02/10/2026
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

0.646in. and 0.650in. ⁓21/32"

Fastener Length

2.208in. and 2.228in. ⁓2-15/64"

Head Style

dished hexagon

Head Height

0.251in. and 0.266in. ⁓17/64"

Width Between Flats

0.840in.

Grip Diameter

0.4982in. and 0.4991in.

Shank Unthreaded Hole Diameter

0.106in. and 0.116in. first hole

Nominal Thread Diameter

0.500in. ⁓1/2"

Grip Length

1.562in. and 1.578in.

Thread Quantity Per Inch

20

Minimum Tensile Strength

95000 pounds per square inch

Hardness Rating

36.0 rockwell c and 41.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center

2.098in. and 2.108in. first hole

Surface Finish

63.0 microinches grip

Special Features

retaining element in shank

Material

steel comp E4340 or steel comp 4140 or steel comp 8740 or steel comp 4130

Material Document And Classification

MIL-S-5000 mil spec single material response or MIL-S-5626 mil spec single material response or MIL-S-6049 mil spec single material response or MIL-S-6758 mil spec single material response

Surface Treatment

passivate

Surface Treatment Document And Classification

QQ-P-35 mil spec single treatment response

Thread Series Designator

unjf

Specification/standard Data

96906-MS27576-8-25 government standard

Pricing and Availability Quote

Review your quote then place an order for this NSN

National Stock Number
5306-01-225-5207
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