5305-01-158-6770

Find complete technical information, availability, and procurement data for: 5305-01-158-6770
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-158-6770

Item Name Code

29294

Assigment Date

07/27/1983 (43 years ago)

3a thread class, 1.454 inches minimum and 1.484 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 0.444 inches minimum and 0.494 inches maximum thread 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: 0.444 inches minimum and 0.494 inches maximum
Fastener Length: 1.454 inches minimum and 1.484 inches maximum
Head Style: flat countersunk
Head Diameter: 0.456 inches minimum and 0.508 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.990 inches minimum and 1.010 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel corrosion resisting overall
Material Document And Classification: 23-112 type c fscm 76301 mfr ref single material response overall
Surface Treatment: aluminum and chromate overall
Surface Treatment Document And Classification: mil-c-83488 type2 class 3 mil 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
HT4057-4-16	Close Tolerance Screw
HT4057-4-16A	Close Tolerance Screw
ST3M733-4-16	Close Tolerance Screw
ST3M733-4L-16	Close Tolerance Screw
ST3M733-4L16	Close Tolerance Screw
WC4057-4-16	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-158-6770?

The FSCG of the NSN 5305-01-158-6770 is 5305

Does the NSN 5305-01-158-6770 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-158-6770 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 5305-01-158-6770 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-158-6770 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 5305-01-158-6770 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Jul 27, 1983