BM2.5DIN439-04-B3B

View detailed technical data, stock status, and sourcing information for: BM2.5DIN439-04-B3B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-387-1156

Item Name Code

01857

Assigment Date

02/25/1994 (32 years ago)

A metallic or nonmetallic item which is rigid, flat and generally smooth. Its thickness is small in comparison to its length and width. It is designed for mounting one or more items and may have drilled or threaded holes or other facilities for mounting to a supporting object or surface. See support,as modified. Do not use if a more specific name applies.

1.2 millimeters minimum and 1.6 millimeters maximum nut height, hexagon nut style, 4.7 millimeters minimum and 5.0 millimeters maximum width across flats, w/s:multiple launch rocket system (mlrs) end item identification, 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
Nut Style: hexagon
Nut Height: 1.2 millimeters minimum and 1.6 millimeters maximum
End Item Identification: w/s:multiple launch rocket system (mlrs)
Width Across Flats: 4.7 millimeters minimum and 5.0 millimeters maximum
Thread Series: m
Nominal Thread Size: 2.5 millimeters
Thread Pitch In Millimeters: 0.45
Bearing Surface Type: flat
Thread Tolerance Class: 6h internal
Material: steel overall
Surface Treatment: cadmium 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
BM2.5DIN439-04-B3B	Hexagon Plain Nut
DIN 439B-A4 2.5X.45	Hexagon Plain Nut
DIN439-BM2.5-04-B3B	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-387-1156?

The FSCG of the NSN 5310-01-387-1156 is 5310

Does the NSN 5310-01-387-1156 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-387-1156 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 5310-01-387-1156 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-387-1156 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 5310-01-387-1156 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Feb 25, 1994