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5305-01-076-4941

Find complete technical information, availability, and procurement data for: 5305-01-076-4941

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5305-01-076-4941
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-076-4941
Item Name Code
29294
Assigment Date
05/07/1979 (47 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.

0.569 inches minimum and 0.619 inches maximum thread length, 3a thread class, flat countersunk head style, 1.079 inches minimum and 1.109 inches maximum fastener length, right-hand thread direction

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
0.569 inches minimum and 0.619 inches maximum
Fastener Length
1.079 inches minimum and 1.109 inches maximum
Head Style
flat countersunk
Head Diameter
0.717 inches minimum and 0.760 inches maximum
Grip Diameter
0.3735 inches minimum and 0.3745 inches maximum
Internal Drive Style
offset cruciform (torque set)
Nominal Thread Diameter
0.375 inches
Grip Length
0.490 inches minimum and 0.510 inches maximum
Thread Quantity Per Inch
24
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Material
steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator
unjf
Specification/Standard Data
80205-nas1580 professional/industrial association standard

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
NAS1580A6T8 Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-076-4941?
The FSCG of the NSN 5305-01-076-4941 is 5305
Does the NSN 5305-01-076-4941 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-076-4941 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 5305-01-076-4941 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-076-4941 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 5305-01-076-4941 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Mon, May 7, 1979

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 1,974
New Surplus 372
Total 2,346
Availability of this item was last updated on: 07/13/2026 03:07 PM EDT. Stock levels and pricing are subject to change.

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