5305-01-197-5944

Find complete technical information, availability, and procurement data for: 5305-01-197-5944
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-197-5944

Item Name Code

29294

Assigment Date

12/24/1984 (41 years ago)

1.231 inches minimum and 1.251 inches maximum fastener length, flat countersunk head style, 3a thread class, right-hand thread direction, 0.278 inches minimum and 0.329 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: 0.278 inches minimum and 0.329 inches maximum
Fastener Length: 1.231 inches minimum and 1.251 inches maximum
Head Style: flat countersunk
Head Diameter: 0.449 inches minimum and 0.507 inches maximum
Locking Feature: detent ball grip
Grip Diameter: 0.2487 inches minimum and 0.2492 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.812 inches minimum and 0.828 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 63000 pounds per square inch
Hardness Rating: 43.0 rockwell c minimum and 47.0 rockwell c maximum fastener
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.135 inches minimum and 1.155 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: ams 5629 assn std single material response fastener
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-090-4084	No Name Available	09/01/1988

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
MS21130-413	Close Tolerance Screw
MS21130B413	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-197-5944?

The FSCG of the NSN 5305-01-197-5944 is 5305

Does the NSN 5305-01-197-5944 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-197-5944 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 5305-01-197-5944 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-197-5944 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 5305-01-197-5944 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Mon, Dec 24, 1984