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5305-00-946-7887

Find complete technical information, availability, and procurement data for: 5305-00-946-7887

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5305-00-946-7887
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-946-7887
Item Name Code
18257
Assigment Date
03/23/1966 (60 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

0.472 inches minimum and 0.502 inches maximum fastener length, 3a thread class, 0.400 inches minimum and 0.450 inches maximum thread length, dished hexagon head style, 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
0.400 inches minimum and 0.450 inches maximum
Fastener Length
0.472 inches minimum and 0.502 inches maximum
Head Style
dished hexagon
Head Height
0.125 inches minimum and 0.140 inches maximum
Width Between Flats
0.430 inches minimum and 0.439 inches maximum
Locking Feature
strip threads
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
28
Minimum Tensile Strength
140000 pounds per square inch
Material
iron alloy 660 overall
Material Document And Classification
ams 5732 assn std single material response overall
Thread Series Designator
unjf
Specification/Standard Data
80205-nas1224 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
NAS1224C1L Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-946-7887?
The FSCG of the NSN 5305-00-946-7887 is 5305
Does the NSN 5305-00-946-7887 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-946-7887 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 5305-00-946-7887 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-946-7887 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 5305-00-946-7887 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Mar 23, 1966

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