51770292-001

View detailed technical data, stock status, and sourcing information for: 51770292-001
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-259-6533

Item Name Code

01852

Assigment Date

07/19/1987 (38 years ago)

A washer, round in shape, and having a centrally located hole. Its two flat parallel bearing surfaces are divided or cut along the radius, leaving a cleft, fissure, or cutaway portion across the rim whch extends from the outer circumference to the washer hole but which is never as large as the washer hole diameter. Excludes:washer (1), lock.

knurled no. 1 head style, 2a thread class, 0.625 inches nominal fastener length, right-hand thread direction, 0.225 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.225 inches nominal
Fastener Length: 0.625 inches nominal
Head Style: knurled no. 1
Head Diameter: 0.188 inches nominal
Head Height: 0.375 inches nominal
First Diameter From Head: 0.078 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.400 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Externally Relieved Body Diameter Quantity: 1
Part Name Assigned By Controlling Agency: navy special project
Material: steel corrosion resisting overall
Material Document And Classification: ams 5640 assn std single material response overall
Thread Series Designator: unc

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
51770292-001	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-259-6533?

The FSCG of the NSN 5305-01-259-6533 is 5305

Does the NSN 5305-01-259-6533 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-259-6533 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 5305-01-259-6533 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-259-6533 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 5305-01-259-6533 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sun, Jul 19, 1987