MS9557-25

Military Standard Machine Bolt

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Description:

Fastener Length: 1-3/4", Thread: 1/4-28, Thread Length: 51/64", MS9557 series bolt

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MS9557-25
MS9557-25
MS9557-25
Add to Cart Up to qty 20 ships same day if ordered before 4pm EST
MS9557-25 Price:
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$17.09 Each
Quantity:
Pre-packaged bag qty: 5 ea
* Sold in increments of 5
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MS9557-25 Datasheet Features and Specification

Extended Washer Diameter:
0.438 inches
Extended Washer Thickness:
Between 0.060 inches and 0.070 inches
Fastener Length:
1.750 inches
Features Provided:
Finished head
Grip Length:
Between 0.940 inches and 1.000 inches
Hardness Rating:
248.0 brinell standard and 341.0 brinell standard
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:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.750 inches and 0.810 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Width Between Flats:
Between 0.305 inches and 0.313 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A
Material Iron
Length 1-3/4

Additional Information

SKU / Model: MS955725
NSN: 5306-00-124-3023
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.472 lb
Minimum Qty (MOQ): 5
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-25_Military-Fasteners-com.pdf
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Fastener Length: 4-1/4", Thread: 1/4-28, Thread Length: 51/64"

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Product Image Gallery

Product code MS9557-25
MS9557-25
MS9557-25
MS9557-25

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Customer Reviews

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Thank you for very efficient and quality service. The product was exactly as advertised, price was good, and the shipping was very fast. I am very happy with my first experience with your company. I will for sure be continuing my business with you. Keep up the great work.

5.0

I placed an order with Lindsey at Military Fasteners late afternoon, 3:15 to be exact and she was nice enough to expedite my order and made sure to get it shipped that day. Great company with great people.

5.0

Very happy with purchase and product. The sales person who assisted me on the phone was excellent. thank you for your help.

5.0

Received order very quick. I was totally impressed with how well it was prepared for shipment. While a fragile order, it arrived undamaged in any way because of the excellent packaging. Thanks.

5.0