938.02.27.105

View detailed technical data, stock status, and sourcing information for: 938.02.27.105

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938.02.27.105
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-268-6056
Item Name Code
01857
Assigment Date
01/01/1963 (63 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.)

0.490 inches minimum and 0.502 inches maximum width across flats, 3b thread class, hexagon nut style, left-hand thread direction, 0.141 inches minimum and 0.172 inches maximum nut height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3b
Thread Direction
left-hand
Nut Style
hexagon
Nut Height
0.141 inches minimum and 0.172 inches maximum
Width Across Flats
0.490 inches minimum and 0.502 inches maximum
Thread Series
unf
Thread Quantity Per Inch
24
Nominal Thread Size
0.312 inches
Countersink Angle
109.0 degrees minimum and 111.0 degrees maximum nut
Bearing Surface Type
chamfered or washer faced
Material
steel overall
Material Document And Classification
66 fed std single material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-167-1297 No Name Available 01/01/1960

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
938.02.27.105 Hexagon Plain Nut
AN316-5L Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-268-6056?
The FSCG of the NSN 5310-00-268-6056 is 5310
Does the NSN 5310-00-268-6056 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-268-6056 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 5310-00-268-6056 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-268-6056 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 5310-00-268-6056 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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