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NAS517-3-28

100°; Flush Head Screw

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Description

NAS 517-3-28 Close Tolerance Flat Head Screw - 100 Degree

Specifications

Countersink Angle Between 99.0 degrees and 101.0 degrees
Country of Origin USA
Fastener Length Between 2.141 inches and 2.186 inches
Finish Cadmium per QQ-P-416 Type II Class 2
Grip 1.750
Hardness Rating Between 36.0 rockwell c and 40.0 rockwell c
Head Diameter Between 0.337 inches and 0.387 inches
Head Style Flat Head, Flat countersunk
Internal Drive Style Cross recess type 1
Length 2.156
Material Steel
Min. Tensile Strength (psi) 160000 pounds per square inch
NIIN 00-551-6291
NSN 5305-00-551-6291
Screw Material Steel comp 8630
Screw Material Specification Mil-s-6050 military specification single material response or an-s-9 military standard single material response
Screw Surface Treatment Cadmium and chromate
Screw Surface Treatment Specification Qq-p-416 type 2 cl 3 federal specification all treatment responses
Size 10-32
Sold In EA
Thread Class 3a
Thread Diameter 0.190
Thread Direction Right-hand
Thread Length Between 0.314 inches and 0.451 inches
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 10
Weight 0.015 lb

Cross-reference

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Catalog data updated 2026-07-05. Report a data error