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5305-01-193-6846

Find complete technical information, availability, and procurement data for: 5305-01-193-6846

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5305-01-193-6846
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-193-6846
Item Name Code
29294
Assigment Date
11/06/1984 (41 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, 0.402 inches minimum and 0.438 inches maximum thread length, flat countersunk head style, right-hand thread direction, 2.480 inches minimum and 2.500 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
3a
Thread Direction
right-hand
Thread Length
0.402 inches minimum and 0.438 inches maximum
Fastener Length
2.480 inches minimum and 2.500 inches maximum
Head Style
flat countersunk
Head Diameter
0.449 inches minimum and 0.507 inches maximum
Locking Feature
detent ball threads
Grip Diameter
0.2487 inches minimum and 0.2492 inches maximum
Shank Unthreaded Hole Diameter
0.076 inches minimum and 0.086 inches maximum first hole
Internal Drive Style
offset cruciform (torque set)
Nominal Thread Diameter
0.250 inches
Grip Length
2.062 inches minimum and 2.078 inches maximum
Thread Quantity Per Inch
28
Minimum Tensile Strength
63000 pounds per square inch
Hardness Rating
43.0 rockwell c minimum and 47.0 rockwell c maximum overall
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center
2.395 inches minimum and 2.411 inches maximum first hole
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Part Name Assigned By Controlling Agency
navy special project
Special Features
internal drive ribbed
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

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
AS292-4-33 Close Tolerance Screw
GB510CG4-33 Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-193-6846?
The FSCG of the NSN 5305-01-193-6846 is 5305
Does the NSN 5305-01-193-6846 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-193-6846 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 5305-01-193-6846 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-193-6846 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 5305-01-193-6846 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Tue, Nov 6, 1984

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