2SPLITSS

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-058-2950

Item Name Code

14218

Assigment Date

01/01/1961 (65 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.088 inches minimum and 0.097 inches maximum hole diameter, 0.015 inches minimum and 0.021 inches maximum material thickness, steel comp 301 or steel comp 302 or steel comp 1080 or steel comp 303 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 3140 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 3310h or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385 overall material, 35.0 rockwell c minimum and 43.0 rockwell c maximum hardness rating, 0.165 inches nominal outside diameter

Product Characteristics

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

Hole Diameter: 0.088 inches minimum and 0.097 inches maximum
Outside Diameter: 0.165 inches nominal
Material Thickness: 0.015 inches minimum and 0.021 inches maximum
Hardness Rating: 35.0 rockwell c minimum and 43.0 rockwell c maximum
Material: steel comp 301 or steel comp 302 or steel comp 1080 or steel comp 303 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 3140 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 3310h or steel comp 347 or steel comp 348 or steel comp 384 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
Style Designator: split helical-right hand

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-209-0732	No Name Available	01/01/1963
5310-00-209-1352	No Name Available	11/01/1987
5310-00-530-9248	No Name Available	01/01/1963
5310-00-993-0662	No Name Available	10/01/1987

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
10116523	Lock Washer
107944-101	Lock Washer
12Z3018-21	Lock Washer
2L302	Lock Washer
2SPLITSS	Lock Washer
310-0070-00	Lock Washer
34H002B1-1	Lock Washer
4198008-014	Lock Washer
503A1-1	Lock Washer
5310000582950	Lock Washer
582950	Lock Washer
5M3231-222-53	Lock Washer
80347-006	Lock Washer
935C2L	Lock Washer
946151-2020	Lock Washer
98200	Lock Washer
98200ADX	Lock Washer
A205-11	Lock Washer
AN935	Lock Washer
MS35337-77	Lock Washer
N406P3	Lock Washer
NTJHB03000	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-058-2950?

The FSCG of the NSN 5310-00-058-2950 is 5310

Does the NSN 5310-00-058-2950 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-058-2950 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 5310-00-058-2950 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-058-2950 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 5310-00-058-2950 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961