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MS24694-S100 - Machine Screw 1/4-28 Length 27/32

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Military Standard - Machine Screw - MS24694S100
Standard Part

Description: Machine Screw
Part Number: MS24694S100
Alternate Part Numbers: AN509-416R13, 3MFR509-416R13

 

Product Overview:

An externally threaded fastener whose threaded portion is of one diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

 

Item Specification:

Thread Class

     

3A

Thread Direction

Right-hand

Thread Length

0.429 inches minimum and 0.578 inches maximum

Fastener Length

0.828 inches minimum and 0.875 inches maximum

Head Style

Flat countersunk

Head Diameter

0.447 inches minimum and 0.507 inches maximum

Internal Drive Style

Cross recess type 1

End Item Identification

Mrap cougar ambulance

Nominal Thread Diameter

0.250 inches

Thread Quantity per Inch

28

Minimum Tensile Strength

125000 pounds per square inch

Hardness Rating

26.0 rockwell C minimum and 32.0 rockwell C maximum

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

Steel comp 8630 or steel comp 4037

Screw Material Document and Classification

MIL-S-6050 mil spec 1ST material response or ams 6300 assn std 2ND material response

Screw Surface Treatment

Cadmium and chromate

Screw Surface Treatment Document and Classification

QQ-P-416, ty 2, cl 3 fed spec all treatment responses

Thread Series Designator

UNF

 

 

Fits In:

  1. ·         Textron Aviation Cessna 510 Citation Mustang
  2. ·         Textron Aviation Cessna 525 Citation Citationjet
  3. ·         Textron Aviation Cessna 550 Citation I-II-Bravo
  4. ·         Textron Aviation Cessna 560 Citation V-Ultra-Encore-Excel-XLS