AEN04C312265AZ5B21

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-497-0279

Item Name Code

01857

Assigment Date

05/07/2002 (24 years ago)

A sparkproof metal or plastic tube used with a carbon monoxide, oxygen, or combustible gas indicator to obtain gas samples from otherwise inaccessible or dangerous locations.

2b thread class, 1025-01-026-6648 end item identification, right-hand thread direction, 0.258 inches minimum and 0.273 inches maximum nut height, hexagon nut style

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: 0.258 inches minimum and 0.273 inches maximum
End Item Identification: 1025-01-026-6648
Width Across Flats: 0.489 inches minimum and 0.500 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.312 inches
Bearing Surface Type: chamfered or washer faced
Material: steel comp 1015 or steel comp 1020 or steel comp 1022 or steel comp 1117 or steel comp 1118 overall
Material Document And Classification: saej412,comp 1015, g10150 assn std 1st material response or saej412, comp 1020, g10200 assn std 2nd material response or saej412,com+1022, g10220 assn std 3rd material response or saej412, comp 1117, g11170 assn std 4th material response or saej412, comp 1118, g11180 assn std 5th material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty ii fed spec 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
AEN04C312000GJ1LX1	Hexagon Plain Nut
AEN04C312265AZ5B21	Hexagon Plain Nut
AEN0HC312265AZ5B21	Hexagon Plain Nut
N220N03CAGNN094NNNPF1	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-497-0279?

The FSCG of the NSN 5310-01-497-0279 is 5310

Does the NSN 5310-01-497-0279 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-497-0279 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 5310-01-497-0279 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-497-0279 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 5310-01-497-0279 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Tue, May 7, 2002