177581

View detailed technical data, stock status, and sourcing information for: 177581
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-851-2674

Item Name Code

01857

Assigment Date

01/13/1967 (59 years ago)

2b thread class, right-hand thread direction, 0.150 inches minimum and 0.163 inches maximum nut height, hexagon nut style, nsn 4210-01-486-1035 tfft (tactical fire fighting truck); multiple launch rocket system (mlrs) end item identification

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: 0.150 inches minimum and 0.163 inches maximum
End Item Identification: nsn 4210-01-486-1035 tfft (tactical fire fighting truck); multiple launch rocket system (mlrs)
Width Across Flats: 0.428 inches minimum and 0.437 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 20
Hardness Rating: 121.0 brinell standard minimum
Nominal Thread Size: 0.250 inches
Bearing Surface Type: chamfered or washer faced
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Nondefinitive Spec/Std Data: 2 type and 5 style and b grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-012-3396	No Name Available	10/01/1996
5310-00-017-7581	No Name Available	07/07/2003
5310-00-543-5656	No Name Available	10/01/1984
5310-00-814-0342	No Name Available	11/01/1979
5310-00-882-8332	No Name Available	05/01/1999
5310-01-089-3712	No Name Available	03/01/1993

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
10082626	Hexagon Plain Nut
177581	Hexagon Plain Nut
2BD167	Hexagon Plain Nut
5310008512674	Hexagon Plain Nut
82-3056-0025	Hexagon Plain Nut
93604241	Hexagon Plain Nut
94846A029	Hexagon Plain Nut
MS35691-1	Hexagon Plain Nut
MS35691-402	Hexagon Plain Nut
XX002-0732	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-851-2674?

The FSCG of the NSN 5310-00-851-2674 is 5310

Does the NSN 5310-00-851-2674 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-851-2674 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 5310-00-851-2674 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-851-2674 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 5310-00-851-2674 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Jan 13, 1967