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SI668C7 Finishing Washer

5310-01-107-5174

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Official Item Classification

Name
Finishing Washer
Part Number
SI668C7
(NSN) National Stock Number
5310-01-107-5174
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
15932
(FIIG) Federal Item Identification Guide
A022B0
Date
02/07/1981 (45 years ago)

0.234 inches minimum and 0.250 inches maximum recess diameter, 0.016 inches nominal material thickness, 0.107 inches minimum and 0.117 inches maximum hole diameter, 0.040 inches minimum and 0.056 inches maximum overall height, 0.437 inches nominal outside diameter

Specs & Compatibility

Hole Diameter

0.107 inches minimum and 0.117 inches maximum

Outside Diameter

0.437 inches nominal

Overall Height

0.040 inches minimum and 0.056 inches maximum

Recess Diameter

0.234 inches minimum and 0.250 inches maximum

Material Thickness

0.016 inches nominal

Recess Angle

100.0 degrees nominal

Material

steel comp 301 overall

Material Document And Classification

mil-s-5059,cond 1/2 hard mil spec single material response overall

Style Designator

finishing

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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

0015932

Related Hardware Products

Part Number Description
C668C7 Finishing Washer
CG599C7 Finishing Washer
SI668C7 Finishing Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-107-5174?
The FSCG of the NSN 5310-01-107-5174 is 5310
Does the NSN 5310-01-107-5174 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-107-5174 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 5310-01-107-5174 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-107-5174 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 5310-01-107-5174 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Sat, Feb 7, 1981