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 Backordered: Ships in 2-3 Days
MS9557-25 Price: $17.94 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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Small order but all was in stock, sales rep was very friendly and made it a pleasure. Shipped and received quicker than expected.

4.0

Excellent variety, quality, and service. And, small orders are no problem. Military Fasteners is a tinker's delight and a great resource. I also appreciate their using the USPS. So many companies ship UPS only and to Alaska the UPS price is ridiculous. Thank you.

5.0

I just started an Ultra Light project and have been very happy with the orders I've placed with ACS.

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