NSN 5310-00-637-8819 NIIN — Hexagon Castellated Plain Nut

National Stock number : 5310-00-637-8819

Hexagon Castellated Plain Nut


Available Quantity 762
Available Conditions NS NE AR
Classification Nuts and Washers - FSC 5310
Schedule B 7318160000
Stock Check Date 05/15/2026
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

0.609in. and 0.641in. ⁓41/64"

Width Across Flats

1.852in. and 1.877in. ⁓1-57/64"

Thread Series

unf

Thread Quantity Per Inch

12

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 corrosion resisting

Surface Treatment

passivate

Pricing and Availability Quote

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National Stock Number
5310-00-637-8819
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