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

Hexagon Slotted Plain Nut

Model / MPN: 18803-3 | NSN: 5310-01-129-0596
ITAR Registered seal

A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.

Product Details
NATO Stock Number
5310-01-129-0596
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Counterbore Diameter
2.030 inches first end
Nut Style
Slotted, hexagon
Nut Height
1.000 inches
Nut Counterbore Depth
0.280 inches first end and 0.305 inches first end
Width Across Flats
2.250 inches
Thread Series
Unj
Thready Qty Per Inch (tpi)
16
Thread Size
1.875 inches
Bearing Surface Type
Washer faced
Material
Steel comp e4340
Material Specification
Mil-s-5000, cond e military specification single material response or mil-s-5000, cond c military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
1500 military standard single treatment response or f-t402, fscm 77751 mfr ref single treatment response
18803 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A718T4829 Nut, Plain, Slotted, H 51 EA 11/28/2017
SPE4A718T710Z Nut, Plain, Slotted, H 47 EA 09/14/2018
SPE4A719T292G Nut, Plain, Slotted, H 75 EA 05/16/2019

Pricing and Availability

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18803-3 Cross Reference