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5305-01-306-9339

Find complete technical information, availability, and procurement data for: 5305-01-306-9339

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5305-01-306-9339
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-306-9339
Item Name Code
06657
Assigment Date
09/02/1989 (36 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, flat countersunk head style, 0.870 inches nominal fastener length, 0.660 inches minimum and 0.760 inches maximum thread length, 2a thread class

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
0.660 inches minimum and 0.760 inches maximum
Fastener Length
0.870 inches nominal
Head Style
flat countersunk
Head Diameter
0.442 inches minimum and 0.507 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
20
Countersink Angle
99.0 degrees minimum and 100.0 degrees maximum
Screw Material
steel comp 302 or steel comp 304 or steel comp 316
Screw Material Document And Classification
aisi assn std single material response
Screw Surface Treatment
passivate
Screw Surface Treatment Document And Classification
qq-p-35 assn std single treatment response
Thread Series Designator
unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
6162806-21 Machine Screw
A6AMF1428G Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-306-9339?
The FSCG of the NSN 5305-01-306-9339 is 5305
Does the NSN 5305-01-306-9339 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-306-9339 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 5305-01-306-9339 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-306-9339 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 5305-01-306-9339 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Sat, Sep 2, 1989

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