NSN 5306-01-581-6661 NIIN — Shoulder Bolt

National Stock number : 5306-01-581-6661

Shoulder Bolt


Available Quantity 1,658
Available Conditions NE NS
Classification Bolts - FSC 5306
Schedule B 7318152000
Stock Check Date 06/12/2025
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

Shoulder Bolt

Thread Class

3a

Thread Direction

RIGHT-Hand

Thread Length

0.425in. ⁓7/16"

Fastener Length

2.222in. and 2.252in. ⁓2-17/64"

Head Style

dished hexagon

Head Height

0.125in. and 0.140in. ⁓9/64"

Width Between Flats

0.429in. and 0.439in.

Shoulder Diameter

0.264in. first shoulder and 0.265in. first shoulder

Shoulder Length

1.802in. first shoulder and 1.822in. first shoulder

Nominal Thread Diameter

0.250in. ⁓1/4"

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Shoulder Shape

round first shoulder

Part Name Assigned By Controlling Agency

bolt tension hex head close tolerance A286 cres long thread reduced major thread dia self locking and non locking 160 ksi ftu

Material

iron alloy 660

Surface Treatment

passivate

Thread Series Designator

unjf

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National Stock Number
5306-01-581-6661
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