NSN 5306-00-121-8902

Close Tolerance Bolt

FSC: 5306 NIIN: 001218902

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Product Characteristics

NSN:

5306001218902

Demilitarization:

INC:

27851

Shelf Life:

N/A

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.283 inches and 0.334 inches

Fastener Length:

Between 1.231 inches and 1.251 inches

Head Style:

Dished hexagon

Head Height:

Between 0.126 inches and 0.141 inches

Width Between Flats:

Between 0.430 inches and 0.439 inches

Grip Diameter:

Between 0.2483 inches and 0.2492 inches

Shank Unthreaded Hole Diameter:

0.076 inches first hole and 0.086 inches first hole

Thread Diameter:

0.250 inches

Grip Length:

Between 0.812 inches and 0.828 inches

Thready Qty Per Inch (tpi):

Hardness Rating:

36.0 rockwell c and 41.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center:

1.131 inches first hole and 1.161 inches first hole

Surface Finish:

63.0 microinches grip

Special Features:

Retaining element in shank

Material:

Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 4130 or steel comp 6150

Material Specification:

Mil-s-5000 military specification 1st material response or mil-s-5626 military specification 2nd material response or mil-s-6049 military specification 3rd material response or mil-s-6758 military specification 4th material response or mil-s-8503 military specification 5th material response

Surface Treatment:

Cadmium and chromate

Surface Treatment Specification:

Qq-p-416, cl 2 federal specification all treatment responses

Thread Series Designator:

Unjf

Demand History (Solicitations)

Solicitation	Qty	End Date	Purchase Request	Small Business
SPE4A622T52E4	1118	05/09/2022	0091501567	0%
SPE4A622T2294	1118	10/22/2021	0091501567	0%
SPE5EC20T0583	2300	03/18/2020	0080285539	0%
SPE5EC15T1098	1506	09/21/2015	0059757696	100%
SPE5EC16T0226	2486	12/17/2015	0060508471	100%