1120H-B-.187-31

View detailed technical data, stock status, and sourcing information for: 1120H-B-.187-31
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-304-9459

Item Name Code

01857

Assigment Date

10/28/2003 (22 years ago)

hexagon nut style, right-hand thread direction, 0.250 inches nominal width across flats, 0.187 inches nominal nut height, 2b thread class

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
Nut Style: hexagon
Nut Height: 0.187 inches nominal
Width Across Flats: 0.250 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 40
Nominal Thread Size: 0.112 inches
Bearing Surface Type: chamfered or washer faced
Material: copper alloy 360 overall
Material Document And Classification: qq-b-626, 1/2 hard fed spec single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm-b633, type 1 assn std single treatment response overall

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
1120H-B-.187-31	Hexagon Plain Nut
130-01-BR-4-40-M	Hexagon Plain Nut
8209-B-0440-28	Hexagon Plain Nut
BR-6951-0440-0.125-35	Hexagon Plain Nut
P-505-M03-F21-440	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-304-9459?

The FSCG of the NSN 5310-01-304-9459 is 5310

Does the NSN 5310-01-304-9459 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-01-304-9459 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 5310-01-304-9459 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-304-9459 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 5310-01-304-9459 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Tue, Oct 28, 2003