002-003730-044

View detailed technical data, stock status, and sourcing information for: 002-003730-044

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002-003730-044
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-138-9806
Item Name Code
01857
Assigment Date
08/27/1971 (54 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

hexagon nut style, 2b thread class, 0.553 inches minimum and 0.564 inches maximum width across flats, 0.088 inches minimum and 0.098 inches maximum nut height, 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 Class
2b
Thread Direction
right-hand
Nut Style
hexagon
Nut Height
0.088 inches minimum and 0.098 inches maximum
Width Across Flats
0.553 inches minimum and 0.564 inches maximum
Thread Series
unef
Thread Quantity Per Inch
32
Nominal Thread Size
0.375 inches
Bearing Surface Type
chamfered
Material
steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 overall
Material Document And Classification
qq-s-763 fed spec all material responses overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response overall
Nondefinitive Spec/Std Data
2 type and a condition

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-042-8640 No Name Available 12/01/2007
5310-00-119-7781 No Name Available 10/01/1982
5310-01-063-3062 No Name Available 02/01/2007

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
002-003730-044 Hexagon Plain Nut
100023-0400 Hexagon Plain Nut
10116569 Hexagon Plain Nut
411039-79 Hexagon Plain Nut
579R249H07 Hexagon Plain Nut
MS25082-C20 Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-138-9806?
The FSCG of the NSN 5310-00-138-9806 is 5310
Does the NSN 5310-00-138-9806 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-138-9806 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 5310-00-138-9806 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-138-9806 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 5310-00-138-9806 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Aug 27, 1971

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