5305-01-178-2078

Find complete technical information, availability, and procurement data for: 5305-01-178-2078
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-178-2078

Item Name Code

29294

Assigment Date

05/02/1984 (42 years ago)

2.196 inches minimum and 2.226 inches maximum fastener length, 3a thread class, 0.634 inches minimum and 0.664 inches maximum thread length, right-hand thread direction, flat countersunk 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: 0.634 inches minimum and 0.664 inches maximum
Fastener Length: 2.196 inches minimum and 2.226 inches maximum
Head Style: flat countersunk
Head Diameter: 0.951 inches minimum and 1.039 inches maximum
Grip Diameter: 0.4990 inches minimum and 0.4995 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.500 inches
Grip Length: 1.562 inches nominal
Thread Quantity Per Inch: 20
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Special Features: internal drive ribbed
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed 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
LD111-0044-0825	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-178-2078?

The FSCG of the NSN 5305-01-178-2078 is 5305

Does the NSN 5305-01-178-2078 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-178-2078 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 5305-01-178-2078 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-178-2078 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 5305-01-178-2078 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, May 2, 1984