5305-01-177-1809

Find complete technical information, availability, and procurement data for: 5305-01-177-1809
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-177-1809

Item Name Code

29294

Assigment Date

04/20/1984 (42 years ago)

flat countersunk head style, right-hand thread direction, 0.378 inches minimum and 0.428 inches maximum thread length, 3a thread class, 0.638 inches minimum and 0.668 inches maximum fastener 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: 0.378 inches minimum and 0.428 inches maximum
Fastener Length: 0.638 inches minimum and 0.668 inches maximum
Head Style: flat countersunk
Head Diameter: 0.464 inches minimum and 0.507 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style: offset cruciform (torque set)
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
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Special Features: internal drive ribbed
Material: titanium alloy overall
Material Document And Classification: ams 4967 comp 6al-4v assn std single material response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1580 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-01-255-2515	No Name Available	01/01/1989

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
NAS1580V4R4	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-177-1809?

The FSCG of the NSN 5305-01-177-1809 is 5305

Does the NSN 5305-01-177-1809 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-01-177-1809 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 5305-01-177-1809 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-177-1809 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 5305-01-177-1809 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Apr 20, 1984