12759-01161

View detailed technical data, stock status, and sourcing information for: 12759-01161
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-597-5947

Item Name Code

18257

Assigment Date

06/15/2011 (15 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

20.0 millimeters nominal thread diameter, 60.0 millimeters nominal fastener length, 2.5 thread pitch in millimeters, a6g external thread tolerance class, 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 Direction: right-hand
Fastener Length: 60.0 millimeters nominal
Nominal Thread Diameter: 20.0 millimeters
Thread Pitch In Millimeters: 2.5
External Thread Tolerance Class: a6g
Part Name Assigned By Controlling Agency: bolt
Special Features: specially designed washer face under head and a chamfered point. class 10.9 is equivalent to sae grade 8. wrench size 30mm
Color: yellow overall
Material: steel overall
Surface Treatment: dichromate and zinc overall
Thread Series Designator: m

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
0128987	Hexagon Head Cap Screw
12759-01161	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-597-5947?

The FSCG of the NSN 5305-01-597-5947 is 5305

Does the NSN 5305-01-597-5947 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-597-5947 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 5305-01-597-5947 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-597-5947 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 5305-01-597-5947 was assigned to the Federal Catalog?

It was assigned 15 years ago, on Wed, Jun 15, 2011