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MA7-021DISSUE2PC89 Key Washer

5310-00-186-0988

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

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Official Item Classification

Name
Key Washer
Part Number
MA7-021DISSUE2PC89
(NSN) National Stock Number
5310-00-186-0988
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
01869
(FIIG) Federal Item Identification Guide
A022B0
Date
01/01/1961 (65 years ago)

8.375 inches minimum and 8.435 inches maximum outside diameter, 0.313 inches minimum and 0.375 inches maximum internal prebent key length, 0.605 inches minimum and 0.645 inches maximum external prebent key width, 7.171 inches minimum and 7.206 inches maximum hole diameter, 0.625 inches minimum and 0.715 inches maximum internal prebent key width

Specs & Compatibility

Hole Diameter

7.171 inches minimum and 7.206 inches maximum

Outside Diameter

8.375 inches minimum and 8.435 inches maximum

Internal Prebent Key Length

0.313 inches minimum and 0.375 inches maximum

External Prebent Key Width

0.605 inches minimum and 0.645 inches maximum

Internal Prebent Key Width

0.625 inches minimum and 0.715 inches maximum

Overall Distance Including Keys

9.438 inches nominal

External Key Quantity

19

Material Thickness

0.156 inches nominal

Material

steel comp 1005 or steel comp 1006 or steel comp 1008 or steel comp 1010 or steel comp 1011 or steel comp 1012 or steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1031 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1009 or steel comp 1023 or steel comp 1524 or steel comp 1025 overall

Material Document And Classification

66 fed std all material responses overall

Style Designator

key

Replacement For

Part Number Description
5310-00-264-1884 No Name Available 01/01/1963

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0001869

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Frequently Asked Questions

What is the FSCG of the NSN 5310-00-186-0988?
The FSCG of the NSN 5310-00-186-0988 is 5310
Does the NSN 5310-00-186-0988 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-186-0988 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 5310-00-186-0988 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-186-0988 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 5310-00-186-0988 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961