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Worldwide distributor of NSN parts and consumables located in the USA.

Single Ball Sea Self-locking Nut

Model / MPN: NAS1727-4N | NSN: 5310-01-498-2857
ITAR Registered seal

A nut having one convex, spherical bearing surface, with 12 drive points, 24 sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member.

Product Details
NATO Stock Number
5310-01-498-2857
Sold in multiples of
EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with metallic insert
Nut Style
Single ball seat, double hexagon
Ball Seat Radius
0.102 inches
Nut Height
0.269 inches
Width Across Flats
0.282 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Steel comp 8740
Surface Treatment
Cadmium
NAS1727 Series Parts

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NAS1727-4N Cross Reference
  • MIL-N-25027