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5305-01-079-7243

Find complete technical information, availability, and procurement data for: 5305-01-079-7243

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5305-01-079-7243
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-079-7243
Item Name Code
06657
Assigment Date
07/11/1979 (47 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.

0.408 inches minimum and 0.500 inches maximum thread length, 2a thread class, right-hand thread direction, pan head style, 0.470 inches minimum and 0.500 inches maximum fastener length

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
0.408 inches minimum and 0.500 inches maximum
Fastener Length
0.470 inches minimum and 0.500 inches maximum
Head Style
pan
Head Diameter
0.306 inches minimum and 0.322 inches maximum
Head Height
0.105 inches minimum and 0.115 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.164 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
55000 pounds per square inch
Screw Surface Treatment Document And Classification
qq-s-365 grade a ty 1 or ty 2 or ty 3 fed spec single treatment response
Precious Material And Location
overall silver
Precious Material
silver
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
21065A Machine Screw
21065AADX Machine Screw
755017A8243-5 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-079-7243?
The FSCG of the NSN 5305-01-079-7243 is 5305
Does NSN 5305-01-079-7243 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 5305-01-079-7243 contain precious materials?
Item contains silver.
Does NSN 5305-01-079-7243 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 5305-01-079-7243 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Wed, Jul 11, 1979

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