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5310-00-889-2527

Find complete technical information, availability, and procurement data for: 5310-00-889-2527

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5310-00-889-2527
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-889-2527
Item Name Code
14218
Assigment Date
01/01/1962 (64 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.

40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating, steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1055 or steel comp 1060 overall material, 0.320 inches minimum and 0.332 inches maximum hole diameter, 0.865 inches minimum and 0.900 inches maximum outside diameter, 0.032 inches minimum and 0.040 inches maximum material thickness

Product Characteristics

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

Hole Diameter
0.320 inches minimum and 0.332 inches maximum
Outside Diameter
0.865 inches minimum and 0.900 inches maximum
Material Thickness
0.032 inches minimum and 0.040 inches maximum
Hardness Rating
40.0 rockwell c minimum and 50.0 rockwell c maximum
Material
steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1055 or steel comp 1060 overall
Material Document And Classification
66 fed std all material responses overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator
flat external and internal teeth
Nondefinitive Spec/Std Data
3 type and 1 style or 2 style and 1 composition

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-038-3312 No Name Available 09/01/1974
5310-00-269-6538 Lock Washer 07/01/2025
5310-00-595-7208 No Name Available 03/01/1981
5310-00-984-3810 No Name Available 10/01/1982

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
10424425 Lock Washer
5310002046 Lock Washer
5310008892527 Lock Washer
856-1008 Lock Washer
MS45904-72 Lock Washer
TIP00023 Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-889-2527?
The FSCG of the NSN 5310-00-889-2527 is 5310
Does the NSN 5310-00-889-2527 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-889-2527 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 5310-00-889-2527 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-889-2527 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 5310-00-889-2527 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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