MS16997-88

Military Standard Machine Screw

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Description:

Fastener Length: 2-63/64", Thread: 1/4-18, Head Width: 1/4", Thread Length: 1-41/64

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MS16997-88 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
1.315 inches minimum and 1.653 inches maximum
Fastener Length:
2.940 inches minimum and 3.000 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.457 inches minimum and 0.469 inches maximum
Head Height:
0.306 inches minimum and 0.313 inches maximum
Internal Drive Style:
Hexagon
Thread Diameter:
0.312 inches
Width Across Flats:
0.250 inches minimum and 0.253 inches maximum
Thready Qty Per Inch (tpi):
18
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 45.0 rockwell c maximum overall
Minimum Yield Strength:
130000 pounds per square inch
Material:
Steel overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator:
Unc
Nondefinitive Specification/std Data:
6 type
Quick Specs
Thread Size 1/4
Thread Qty 18
Material Steel
Length 2-63/64

Additional Information

SKU / Model: MS1699788
NSN: 5305-00-984-3021
FSC: Screws / 5305
Product Series: MS16997
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS16997-88_Military-Fasteners-com.pdf
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More MS16997 machine screws

MS16997-99L

Fastener Length: 0-63/64", Thread: 3/8-16, Head Width: 5/16", Thread Length: 0-63/64"

MS16997-99

Fastener Length: 63/64in., Thread: 3/8-16, Head Width: 5/16in., Thread Length: 63/64in.

MS16997-83

$7.14 EA, Fastener Length: 1-3/4in., Thread: 1/4-18, Head Width: 1/4in., Thread Length: 1-1/8in.

MS16997-81

5305-00-983-6622 Machine Screw

MS16997-80

Fastener Length: 63/64in., Thread: 1/4-18, Head Width: 1/4in., Thread Length: 7/8in.

MS16997-76

$2.46 EA, Fastener Length: 1/2in., Thread: 1/4-18, Head Width: 1/4in., Thread Length: 1/2in.

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I sent in my online order then within a minute I realized I left off an item. I sent a message that requested an item be added to avoid a second shipping cost. I received a reply the next morning that the item I wanted had been added successfully and my order would be delivered as promised. Thanks to your staff for the flexibility and the help with my online order.

5.0

Ashili Hansen was very helpful.

5.0

Military Fasteners has become my provider of choice for parts and other needs since purchasing an airplane last year.

4.0

Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

5.0