98172704-1

View detailed technical data, stock status, and sourcing information for: 98172704-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-500-1785

Item Name Code

01852

Assigment Date

08/15/2002 (24 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

0.295 inches nominal thread length, 3a thread class, 0.625 inches nominal fastener length, flat chamfer head style, 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: 0.295 inches nominal
Fastener Length: 0.625 inches nominal
Head Style: flat chamfer
Head Diameter: 0.303 inches minimum and 0.313 inches maximum
Head Height: 0.185 inches minimum and 0.190 inches maximum
First Diameter From Head: 0.150 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.330 inches nominal
Internal Drive Style: hexagon
End Item Identification: p4rc,air combat maneuvering instrumentation (acmi)
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches minimum and 0.159 inches maximum
Thread Quantity Per Inch: 32
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35,type 6 fed spec single treatment response overall
Thread Series Designator: unf

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
98172704-1	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-500-1785?

The FSCG of the NSN 5305-01-500-1785 is 5305

Does the NSN 5305-01-500-1785 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-500-1785 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 5305-01-500-1785 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-500-1785 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 5305-01-500-1785 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Thu, Aug 15, 2002