NSN 5310-00-596-8401 NIIN — Hexagon Castellated Plain Nut

National Stock number : 5310-00-596-8401

Hexagon Castellated Plain Nut


Available Quantity 6,870
Available Conditions AR NS NE SV
Classification Nuts and Washers - FSC 5310
Schedule B 7318160000
Stock Check Date 01/02/2026
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

Hexagon Castellated Plain Nut

Thread Class

3b

Thread Direction

RIGHT-Hand

Nut Style

castellated, hexagon

Nut Height

1.234in. and 1.266in. ⁓1-17/64"

Width Across Flats

1.852in. and 1.877in. ⁓1-57/64"

Thread Series

unf

Thread Quantity Per Inch

12

Hardness Rating

80.0 rockwell b and 32.0 rockwell c

Nominal Thread Size

1.250in. ⁓1-1/4"

Countersink Angle

109.0 degrees nut and 111.0 degrees nut

Bearing Surface Type

washer faced

Material

steel

Surface Treatment

cadmium

Surface Treatment Document And Classification

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

Nondefinitive Spec/std Data

5 type and a grade

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National Stock Number
5310-00-596-8401
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