5305-01-198-7982

Find complete technical information, availability, and procurement data for: 5305-01-198-7982
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-198-7982

Item Name Code

29294

Assigment Date

01/14/1985 (41 years ago)

3a thread class, flat chamfer head style, 0.306 inches minimum and 0.357 inches maximum thread length, 2.540 inches minimum and 2.560 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: 0.306 inches minimum and 0.357 inches maximum
Fastener Length: 2.540 inches minimum and 2.560 inches maximum
Head Style: flat chamfer
Head Diameter: 0.610 inches minimum and 0.625 inches maximum
Head Height: 0.157 inches minimum and 0.172 inches maximum
Locking Feature: detent ball grip
Grip Diameter: 0.3112 inches minimum and 0.3117 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Internal Drive Style: slot
Nominal Thread Diameter: 0.312 inches
Grip Length: 2.062 inches minimum and 2.078 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 63000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.427 inches minimum and 2.447 inches maximum first hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 631 or steel comp 302 spring
Material: steel comp 632 fastener
Material Document And Classification: astm a580 cond. a assn std single material response spring
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-097-4451	No Name Available	06/01/1990

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
MS21125B533	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-198-7982?

The FSCG of the NSN 5305-01-198-7982 is 5305

Does the NSN 5305-01-198-7982 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-198-7982 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 5305-01-198-7982 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-198-7982 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 5305-01-198-7982 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Mon, Jan 14, 1985