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5305-00-303-6839

Find complete technical information, availability, and procurement data for: 5305-00-303-6839

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5305-00-303-6839
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-303-6839
Item Name Code
06657
Assigment Date
01/01/1963 (63 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.

right-hand thread direction, 3a thread class, 0.224 inches minimum and 0.244 inches maximum thread length, 0.256 inches minimum and 0.276 inches maximum fastener length, flat chamfer head style

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
0.224 inches minimum and 0.244 inches maximum
Fastener Length
0.256 inches minimum and 0.276 inches maximum
Head Style
flat chamfer
Head Diameter
0.122 inches minimum and 0.124 inches maximum
Head Height
0.068 inches minimum and 0.088 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.099 inches
Thread Quantity Per Inch
56
Hardness Rating
38.0 rockwell c minimum
Screw Material
steel comp 416
Screw Material Document And Classification
aisi assn std single material response
Screw Surface Treatment
passivate
Screw Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response
Special Features
head offset from centerline of longitudinal axis 0.013 in. min. 0.015 in. max,thd relived groove,0.031 in. wide by 0.067 in. min. 0.072 in. max dia
Thread Series Designator
unf

Related Parts

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Part Number Name
00108-2 Machine Screw
782229-2 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-303-6839?
The FSCG of the NSN 5305-00-303-6839 is 5305
Does the NSN 5305-00-303-6839 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-303-6839 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 5305-00-303-6839 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-303-6839 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 5305-00-303-6839 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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