S8556

View detailed technical data, stock status, and sourcing information for: S8556
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-912-5101

Item Name Code

05277

Assigment Date

07/01/1966 (60 years ago)

2b thread class, 0.180 inches minimum and 0.200 inches maximum nut height, prevailing torque with nonmetallic insert locking feature, hexagon nut 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: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.180 inches minimum and 0.200 inches maximum
Width Across Flats: 0.615 inches minimum and 0.635 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unef
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.375 inches
Countersink Angle: 90.0 degrees nominal nut
Bearing Surface Type: chamfered
Material: plastic polyamide (nylon) locking insert
Material: steel comp 303se nut
Material Document And Classification: astm a582 cond a assn std single material response nut
Surface Treatment: passivate nut

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
955556-304	Hexagon Self-Locking Nut
IID114-0466-001	Hexagon Self-Locking Nut
S8556	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-912-5101?

The FSCG of the NSN 5310-00-912-5101 is 5310

Does the NSN 5310-00-912-5101 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-912-5101 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 5310-00-912-5101 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-912-5101 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 5310-00-912-5101 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Jul 1, 1966