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5305-00-912-5240

Find complete technical information, availability, and procurement data for: 5305-00-912-5240

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5305-00-912-5240
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-912-5240
Item Name Code
06672
Assigment Date
01/01/1960 (66 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

3a thread class, oval point style, 0.875 inches maximum thread length, hexagon internal drive style, 0.875 inches nominal 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
3a
Thread Length
0.875 inches maximum
Fastener Length
0.875 inches nominal
Point Style
oval
Internal Drive Style
hexagon
Nominal Thread Diameter
0.250 inches
Width Across Flats
0.125 inches minimum and 0.127 inches maximum
Thread Quantity Per Inch
20
Material
steel comp 303se overall
Material Document And Classification
mil-s-18732 mil spec 1st material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-275-7678 No Name Available 07/14/1969

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
AN565FC416414 Setscrew
AN565FC416H14 Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-912-5240?
The FSCG of the NSN 5305-00-912-5240 is 5305
Does the NSN 5305-00-912-5240 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-912-5240 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 5305-00-912-5240 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-912-5240 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 5305-00-912-5240 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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