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5305-00-126-7640

Find complete technical information, availability, and procurement data for: 5305-00-126-7640

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5305-00-126-7640
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-126-7640
Item Name Code
06657
Assigment Date
01/04/1973 (53 years ago)

An externally threaded fastener whose threaded portion is of one nominal 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.

flat countersunk head style, 0.306 inches minimum and 0.356 inches maximum thread length, 3a thread class, 0.816 inches minimum and 0.846 inches maximum fastener length, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.306 inches minimum and 0.356 inches maximum
Fastener Length
0.816 inches minimum and 0.846 inches maximum
Head Style
flat countersunk
Head Diameter
0.277 inches minimum and 0.332 inches maximum
Internal Drive Style
high-torque
End Item Identification
aircraft,tomcat f-14
Nominal Thread Diameter
0.164 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
160000 pounds per square inch
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Screw Material
titanium alloy
Shank Surface Finish
63.0 microinches
Thread Series Designator
unc
Specification/Standard Data
26512-gb510f manufacturers standard

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FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-126-7640?
The FSCG of the NSN 5305-00-126-7640 is 5305
Does the NSN 5305-00-126-7640 have a Schedule B code assigned?
Yes, the Schedule B code is 8108908000
Does NSN 5305-00-126-7640 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-00-126-7640 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-126-7640 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-00-126-7640 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Thu, Jan 4, 1973

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