Item # NAS517-4-3, 100Â°; Flush Head Screw - NAS517-4-3 On Monroe Aerospace

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300 North Dr Ste 100
Melbourne, FL 32934
AS9100D & ISO 9001:2015
Call Us: (877) 920-1876
aerosales@askmonroe.com

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List Price

Discount Table - NAS517-4-3

Unit: Discount Price / %
500 - 999: $0.75
1000 - 2499: $0.71
2500 - 4999: $0.63
5000 and up: $0.59

100°, Flush Head Screw - Length: 0.656", Grip: 0.188", Thread: 1/4-28, Shear, Close Tolerance Screw, Alloy Steel

Detail	Characteristic
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	0.641 INCHES MINIMUM AND 0.686 INCHES MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAD DIAMETER	0.452 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
SCREW MATERIAL	STEEL COMP 8630
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENT	CHROMATE AND CADMIUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.367 INCHES MINIMUM AND 0.513 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28

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Unit of Measure

Discount Table - NAS517-4-3

Unit: Discount Price / %
500 - 999: $0.75
1000 - 2499: $0.71
2500 - 4999: $0.63
5000 and up: $0.59

Specifications
Note

Sold In	N/A Per Package
Inventory	2100
Estimated Ship Date	Ships in 1 Business Day
Inventory Note	N/A Need additional stock? Call (877) 920-1876 or email
Thread Size	N/A 0.2500-28
Length	N/A 0.656 in
Grip	N/A 0.188 in
Head Type	N/A Flat
Head Angle	N/A 100 º
Industry Standards/Certification	N/A NAS517
Weight	N/A 0.01 lb
NSN	N/A 5305-00-206-4399
NIIN	N/A 00-206-4399
Part # Unpunctuated	N/A NAS51743
Minimum Order Note	N/A Minimum order is 10. Must order in increments of 1.
Country of Origin	N/A USA

Note	N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.
California Residents	N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.