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MS24693-C268

View detailed technical data, stock status, and sourcing information for: MS24693-C268

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MS24693-C268
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-900-0593
Item Name Code
06657
Assigment Date
01/01/1960 (66 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.

0.188 inches minimum and 0.250 inches maximum thread length, 0.219 inches minimum and 0.250 inches maximum fastener length, 2a thread class, right-hand thread direction, flat countersunk 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
2a
Thread Direction
right-hand
Thread Length
0.188 inches minimum and 0.250 inches maximum
Fastener Length
0.219 inches minimum and 0.250 inches maximum
Head Style
flat countersunk
Head Diameter
0.333 inches minimum and 0.385 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
32
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Screw Material
steel comp 302 or steel comp 303 or steel comp 304
Screw Material Document And Classification
66 fed std all material responses
Screw Surface Treatment
passivate
Thread Series Designator
unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-468-5713 No Name Available 04/01/2012
5305-00-819-9921 No Name Available 07/01/1983
5305-00-845-6971 No Name Available 01/01/1983

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AOL4168-403 Machine Screw
E125-403 Machine Screw
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MS24693-C268 Machine Screw
MS24693C268 Machine Screw
PBF1068-403C Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-900-0593?
The FSCG of the NSN 5305-00-900-0593 is 5305
Does the NSN 5305-00-900-0593 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-900-0593 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 5305-00-900-0593 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-900-0593 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 5305-00-900-0593 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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