666164-419

Shouldered Washer

This page provides complete and verified information for part number 666164-419, NSN 5310-00-059-8402

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

666164-419
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-059-8402
Item Name Code
15934
Assigment Date
01/01/1963 (63 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

0.032 inches nominal material thickness, 0.062 inches nominal shoulder height, 0.199 inches nominal hole diameter, 0.400 inches nominal outside diameter, 0.312 inches nominal shoulder diameter

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Hole Diameter
0.199 inches nominal
Shoulder Diameter
0.312 inches nominal
Outside Diameter
0.400 inches nominal
Shoulder Height
0.062 inches nominal
Material Thickness
0.032 inches nominal
Material
steel corrosion resisting overall
Surface Treatment
passivate overall
Style Designator
shouldered

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
M - Partial descriptive - reference item identification (type 1a concept)
Demilitarization
A - 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.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A022B0
Precious Metals Indicator
U - Precious metal content is unknown
Pseudo Item Name Code
0015934
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
7318220000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
XX
National Motor Freight Classification Item Number
194160
National Motor Freight Classification Sub-Item Number
X
Uniform Freight Classification Item Number
55210
National Motor Freight Class Rating
U - 50.0
Water Commodity
713 - Metal hardware
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
BZ -
National Motor Freight Description
washer or gaskets, iron or steel,

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 666164-419

What is the FSCG of the NSN 5310-00-059-8402?
The FSCG of the NSN 5310-00-059-8402 is 5310
Does the NSN 5310-00-059-8402 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-059-8402 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 5310-00-059-8402 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-059-8402 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 5310-00-059-8402 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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