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MS3369B926

View detailed technical data, stock status, and sourcing information for: MS3369B926

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MS3369B926
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-186-3092
Item Name Code
29294
Assigment Date
08/09/1984 (42 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.

0.505 inches minimum and 0.556 inches maximum thread length, crowned hexagon head style, 3a thread class, right-hand thread direction, 2.411 inches minimum and 2.431 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
3a
Thread Direction
right-hand
Thread Length
0.505 inches minimum and 0.556 inches maximum
Fastener Length
2.411 inches minimum and 2.431 inches maximum
Head Style
crowned hexagon
Head Height
0.282 inches minimum and 0.297 inches maximum
Width Between Flats
0.865 inches minimum and 0.877 inches maximum
Locking Feature
detent ball grip
Grip Diameter
0.5611 inches minimum and 0.5616 inches maximum
Shank Unthreaded Hole Diameter
0.141 inches minimum and 0.151 inches maximum first hole
Internal Drive Style
slot
Nominal Thread Diameter
0.562 inches
Grip Length
1.625 inches minimum and 1.641 inches maximum
Thread Quantity Per Inch
18
Minimum Tensile Strength
63000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
2.243 inches minimum and 2.263 inches maximum first hole
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Material
steel comp xm-13 overall
Material Document And Classification
ams5629 assn std single material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response overall
Thread Series Designator
unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-01-026-5781 No Name Available 11/01/1991

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
MS3369B926 Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-186-3092?
The FSCG of the NSN 5305-01-186-3092 is 5305
Does the NSN 5305-01-186-3092 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-186-3092 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 5305-01-186-3092 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-186-3092 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 5305-01-186-3092 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Thu, Aug 9, 1984

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