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5310-00-903-1243

Find complete technical information, availability, and procurement data for: 5310-00-903-1243

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5310-00-903-1243
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-903-1243
Item Name Code
01857
Assigment Date
01/01/1960 (66 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

right-hand thread direction, hexagon nut style, 2b thread class, 0.530 inches nominal nut height, 0.060 inches nominal drilled hole diameter

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
0.530 inches nominal
Drilled Hole Diameter
0.060 inches nominal
Hole Type And Quantity
2 drilled
Width Across Flats
0.490 inches minimum and 0.502 inches maximum
Thread Series
unf
Thread Quantity Per Inch
24
Nominal Thread Size
0.375 inches
Hole Configuration Style
configuration a
Countersink Angle
100.0 degrees nominal nut
Bearing Surface Type
flat
Bearing Surface Finish
250.0 microinches
Material
steel comp 303 overall
Material Document And Classification
qq-s-763 fed spec single material response overall
Surface Treatment
passivate 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
11700528 Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-903-1243?
The FSCG of the NSN 5310-00-903-1243 is 5310
Does the NSN 5310-00-903-1243 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-903-1243 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 5310-00-903-1243 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-903-1243 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 5310-00-903-1243 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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