MS9557-34

Military Standard Machine Bolt

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Description:

Fastener Length: 2-3/4", Thread: 1/4-28, Thread Length: 51/64

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MS9557-34 Datasheet Features and Specification

Extended Washer Diameter:

0.438 inches

Extended Washer Thickness:

0.060 inches

Fastener Length:

2.750 inches

Features Provided:

Finished head

Grip Length:

Between 1.940 inches and 2.000 inches

Hardness Rating:

24.0 rockwell c and 35.0 rockwell c

Head Height:

0.300 inches

Head Style:

Double hexagon w/hole

Material:

Iron alloy 660

Material Specification:

Ams 5731 assn standard single material response

Min. Tensile Strength (psi):

130000 pounds per square inch

Minimum Yield Strength:

85000 pounds per square inch

Thread Diameter:

0.250 inches

Surface Finish:

32.0 microinches bearing surface of head

Surface Finish:

32.0 microinches grip

Surface Finish:

32.0 microinches threads

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.750 inches and 0.810 inches

Thread Qty Per Inch (tpi):

Thread Series Designator:

Unjf (fine thread with external controlled root radius)

Width Between Flats:

0.312 inches

Quick Specs

Thread Size	1/4
Thread Qty	28
Thread Series	UNJF
Thread Class	3A
Material	Iron
Length	2-3/4

Additional Information

SKU / Model:	MS955734
NSN:	5306-01-016-2907
FSC:	Bolts / 5306
Product Series:	MS9557
Pack Weight (Approx.)	0.091 lb
Minimum Qty (MOQ):	5
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version MS9557-34_Military-Fasteners-com.pdf