5310-00-628-9781

Find complete technical information, availability, and procurement data for: 5310-00-628-9781
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-628-9781

Item Name Code

15887

Assigment Date

01/01/1963 (63 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

6.480 inches minimum and 6.500 inches maximum nut diameter, 1.440 inches minimum and 1.460 inches maximum nut thickness, 0.490 inches minimum and 0.510 inches maximum drive point width, right-hand thread direction, 6.070 inches minimum and 6.090 inches maximum small end diameter

Product Characteristics

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

Thread Direction: right-hand
Small End Diameter: 6.070 inches minimum and 6.090 inches maximum
Nut Diameter: 6.480 inches minimum and 6.500 inches maximum
Nut Thickness: 1.440 inches minimum and 1.460 inches maximum
Drive Point Width: 0.490 inches minimum and 0.510 inches maximum
Drive Point Quantity: 5
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum
Special Features: silver plate on bearing surface only
Material: steel comp 8740 overall
Material Document And Classification: ams6322 assn std single material response or ams6323 assn std single material response overall
Precious Material: silver
Surface Treatment Document And Classification: ams 2412 assn std single treatment response overall

FAQs

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

What is the FSCG of the NSN 5310-00-628-9781?

The FSCG of the NSN 5310-00-628-9781 is 5310

Does the NSN 5310-00-628-9781 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-628-9781 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 5310-00-628-9781 contain precious materials?

Item contains silver.

Does NSN 5310-00-628-9781 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 5310-00-628-9781 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963