M963C4-6

View detailed technical data, stock status, and sourcing information for: M963C4-6
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-376-5288

Item Name Code

29294

Assigment Date

06/05/1993 (33 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

flat countersunk head style, 3a thread class, right-hand thread direction, 0.778 inches nominal fastener length, 0.403 inches nominal thread 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 Direction: right-hand
Thread Length: 0.403 inches nominal
Fastener Length: 0.778 inches nominal
Head Style: flat countersunk
Head Diameter: 0.4640 inches minimum and 0.5066 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: hexagon
End Item Identification: agm129a
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.365 inches minimum and 0.385 inches maximum
Width Across Flats: 0.1562 inches minimum and 0.1587 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 100.0 degrees maximum
Material: iron alloy 660 overall
Material Document And Classification: ams5731 assn std single material response overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf

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
123545C4-6	Close Tolerance Screw
4080-70016C4-6	Close Tolerance Screw
AIC3339C4-6	Close Tolerance Screw
M963C4-6	Close Tolerance Screw
SC1797C4-6	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-376-5288?

The FSCG of the NSN 5305-01-376-5288 is 5305

Does the NSN 5305-01-376-5288 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-376-5288 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 5305-01-376-5288 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-376-5288 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 5305-01-376-5288 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Jun 5, 1993