NSN 5310-00-274-8321 NIIN — Self-locking Cap Nut

National Stock number : 5310-00-274-8321

Self-locking Cap Nut


Available Quantity 3,408
Available Conditions NS NE
Classification Nuts and Washers - FSC 5310
Schedule B 7318160000
Stock Check Date 01/21/2026
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

Self-locking Cap Nut

Thread Class

3b

Thread Direction

RIGHT-Hand

Locking Feature

prevailing torque with nonmetallic insert

Nut Style

cap

Nut Height

0.282in. and 0.312in. ⁓5/16"

Width Across Flats

0.302in. and 0.314in. ⁓21/64"

Thread Series

unc

Thread Quantity Per Inch

32

Nominal Thread Size

0.138in. ⁓9/64"

Bearing Surface Type

washer faced

Material

steel comp 1212 except insert

Material Document And Classification

F-10001, fscm 03497 mfr ref single material response locking insert

Surface Treatment

cadmium nut and chromate nut

Surface Treatment Document And Classification

QQ-P-416, ty 2, cl 1 fed spec single treatment response nut

Pricing and Availability Quote

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National Stock Number
5310-00-274-8321
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