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5305-00-421-9910

Find complete technical information, availability, and procurement data for: 5305-00-421-9910

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5305-00-421-9910
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-421-9910
Item Name Code
06657
Assigment Date
12/23/1970 (55 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, 0.507 inches minimum and 0.574 inches maximum thread length, 2a thread class, 0.594 inches minimum and 0.625 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
2a
Thread Direction
right-hand
Thread Length
0.507 inches minimum and 0.574 inches maximum
Fastener Length
0.594 inches minimum and 0.625 inches maximum
Head Style
flat countersunk
Head Diameter
0.147 inches minimum and 0.172 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.086 inches
Thread Quantity Per Inch
56
Minimum Tensile Strength
80000 pounds per square inch
Countersink Angle
80.0 degrees minimum and 82.0 degrees maximum
Screw Material
steel corrosion resisting or steel
Screw Material Document And Classification
qq-s-763,300 series fed spec 1st material response or 66,300 series fed std 1st material response or comp 16-18 or 18-8 assn std 2nd material response
Thread Series Designator
unc

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904386-8 Machine Screw
F9-2-10LG Machine Screw
MS51959-8B Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-421-9910?
The FSCG of the NSN 5305-00-421-9910 is 5305
Does the NSN 5305-00-421-9910 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-421-9910 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 5305-00-421-9910 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-421-9910 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 5305-00-421-9910 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Dec 23, 1970

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