988022-8

View detailed technical data, stock status, and sourcing information for: 988022-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-010-2382

Item Name Code

01857

Assigment Date

09/25/1975 (50 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, right-hand thread direction, 3b thread class, 0.738 inches minimum and 0.752 inches maximum width across flats, 0.250 inches nominal 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: right-hand
Nut Style: hexagon
Nut Height: 0.250 inches nominal
Width Across Flats: 0.738 inches minimum and 0.752 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Countersink Angle: 110.0 degrees nominal nut
Bearing Surface Type: chamfered
Material: steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303f or steel comp 303s or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 385 overall
Material Document And Classification: 66 fed std 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
Departure From Cited Designator: as modified by material

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
988022-8	Hexagon Plain Nut
NASM316-C8R	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-010-2382?

The FSCG of the NSN 5310-01-010-2382 is 5310

Does the NSN 5310-01-010-2382 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-010-2382 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 5310-01-010-2382 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-010-2382 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 5310-01-010-2382 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Sep 25, 1975