MS16998-55L

Military Standard Screw

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Description:

Fastener Length: 1/2", Thread: 1/4-24, Head Width: 1/4", Thread Length: 1/2"

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MS16998-55L Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.386 inches minimum and 0.500 inches maximum
Fastener Length:
0.469 inches minimum and 0.500 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.457 inches minimum and 0.469 inches maximum
Head Height:
0.306 inches minimum and 0.312 inches maximum
Locking Feature:
Patch threads or strip threads
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):
24
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
39.0 rockwell c minimum overall and 45.0 rockwell c maximum overall
Material:
Plastic polyamide locking feature
Material:
Steel fastener
Surface Treatment:
Cadmium fastener and chromate fastener
Surface Treatment Specification:
Qq-p-416 ty 2 cl 3 fed spec single treatment response fastener
Thread Series Designator:
Unf
Nondefinitive Specification/std Data:
6 type
Quick Specs
Thread Size 1/4
Thread Qty 24
Material Steel
Length 1/2

Additional Information

SKU / Model: MS1699855L
NSN: 5305-01-306-4842
FSC: Screws / 5305
Product Series: MS16998
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 30 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 096640, Screws, Iron Or Steel
Download PDF Version
MS16998-55L_Military-Fasteners-com.pdf
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MS16998-73

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MS16998-70

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MS16998-65

Fastener Length: 2-1/2", Thread: 1/4-24, Head Width: 1/4", Thread Length: 1-3/8"

MS16998-61L

$1.20 EA, Fastener Length: 1-1/2in., Thread: 1/4-24, Head Width: 1/4in., Thread Length: 1-1/2in.

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Great service and lead time. Ships to Canada as well.

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Excellent communication and fast service! Trisha Hawkins is the best!!

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The order was complete and arrived by mail in short order. The staff who took my order was very helpful and answered my questions. Very pleased, thanks to military fasteners

5.0

Trisha Hawkins has been very helpful and easy to deal with. Any rush orders or just orders in general, she makes sure I get it within the time requested.

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