5305-01-437-4999

Find complete technical information, availability, and procurement data for: 5305-01-437-4999
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-437-4999

Item Name Code

29294

Assigment Date

10/16/1996 (29 years ago)

Two or more insulated conductors (solid or stranded) contained in a common covering, or two or more insulated conductors twisted or molded together without a common covering, or one insulated conductor with a metallic covering, covering, shield, or outer conductor. The rated working voltage of the item must be 300 volts or more, or in lieu of this the test voltage must be 1,000 volts or more; and the size of each individual conductor must be number 18 american wire gage (0.75 square millimeters) or larger. For cables with uninsulated neutral conductor use the hightest rated voltage. Refers to bulk quantities only, for items of definite length with processed ends or terminated in fittings, see cable assembly, power, electrical. For low voltage aircraft and automotive cable, see cable, special purpose, electrical.

3a thread class, right-hand thread direction, 0.318 inches nominal thread length, 0.730 inches minimum and 0.760 inches maximum fastener length, hexagon head style

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: 0.318 inches nominal
Fastener Length: 0.730 inches minimum and 0.760 inches maximum
Head Style: hexagon
Head Height: 0.125 inches minimum and 0.140 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: torque-set ribbed
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.240 inches minimum and 0.260 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Minimum Yield Strength: 95000 pounds per square inch
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Special Features: grip chamfer at threads 35.0 degrees
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, type 2, class 2 fed spec all treatment responses 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
S00464-4-7P	Close Tolerance Screw
SC2657-4-7P	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-437-4999?

The FSCG of the NSN 5305-01-437-4999 is 5305

Does the NSN 5305-01-437-4999 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-437-4999 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 5305-01-437-4999 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-437-4999 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 5305-01-437-4999 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Wed, Oct 16, 1996