938.56.31.106

View detailed technical data, stock status, and sourcing information for: 938.56.31.106
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-928-3878

Item Name Code

01865

Assigment Date

08/31/1966 (59 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.002 inches minimum and 0.022 inches maximum material thickness, 0.661 inches minimum and 0.681 inches maximum nut length, 0.678 inches minimum and 0.698 inches maximum nut height, sheet spring nut style, 0.138 inches nominal mating member diameter accommodated

Product Characteristics

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

Material Thickness: 0.002 inches minimum and 0.022 inches maximum
Mating Member Diameter Accommodated: 0.138 inches nominal
Nut Style: sheet spring
Nut Length: 0.661 inches minimum and 0.681 inches maximum
Nut Height: 0.678 inches minimum and 0.698 inches maximum
Nut Width: 0.271 inches minimum and 0.291 inches maximum
Panel Thickness: 0.302 inches minimum and 0.322 inches maximum
End Item Identification: helicopter, seahawk, h-60;aircraft, stratolifter c-135;helicopter, lamps mark iii, sh-60b;aircraft, t-38;aircraft, harrier av-8b
Material: copper alloy overall
Surface Treatment: cadmium or zinc and chromate or zinc and phosphate overall
Surface Treatment Document And Classification: qq-p-416,type 1,class 2 fed spec 1st treatment response or qq-z-325 fed spec 2nd treatment response or qq-z-325 fed spec 3rd treatment response or qq-z-325 fed spec 4th treatment response or qq-z-325 fed spec 5th treatment response overall

Replaces National Stock Numbers

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

NSN	Name	Date
5310-00-603-4448	No Name Available	02/01/1995
5310-01-042-4301	No Name Available	03/01/1978

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
938.56.31.106	Sheet Spring Nut
MS33737-14	Sheet Spring Nut
MS33737-14C	Sheet Spring Nut
NAS487-18	Sheet Spring Nut

FAQs

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

What is the FSCG of the NSN 5310-00-928-3878?

The FSCG of the NSN 5310-00-928-3878 is 5310

Does the NSN 5310-00-928-3878 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-928-3878 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 5310-00-928-3878 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-928-3878 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 5310-00-928-3878 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Aug 31, 1966