SMB414400

Key Washer

This page provides complete and verified information for part number SMB414400, NSN 5310-00-158-5130

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.

SMB414400
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-158-5130
Item Name Code
01869
Assigment Date
05/12/1971 (55 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

0.120 inches minimum and 0.133 inches maximum external straight key width, 0.062 inches nominal external prebent key length, 0.093 inches nominal external prebent key width, 0.281 inches nominal outside diameter, 0.257 inches minimum and 0.262 inches maximum hole diameter

Characteristics

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

Hole Diameter
0.257 inches minimum and 0.262 inches maximum
Outside Diameter
0.281 inches nominal
External Prebent Key Length
0.062 inches nominal
External Straight Key Width
0.120 inches minimum and 0.133 inches maximum
External Prebent Key Width
0.093 inches nominal
Distance From Centerline To Inside Of Prebent Key
0.300 inches nominal
Overall Distance Including Keys
0.756 inches nominal
Material Thickness
0.025 inches nominal
Special Features
contains pre-bent keys on each end,bent in opposite directions
Material
steel comp 302 overall
Material Document And Classification
qq-s-766 fed spec single material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
mil-f-14072,finish e300 mil spec single treatment response overall
Style Designator
key

Classification Data

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

Type of Item Identification
K - Full descriptive - reference item identification
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
0001869
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
KZ
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 SMB414400

What is the FSCG of the NSN 5310-00-158-5130?
The FSCG of the NSN 5310-00-158-5130 is 5310
Does the NSN 5310-00-158-5130 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-158-5130 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 5310-00-158-5130 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-158-5130 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 5310-00-158-5130 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, May 12, 1971

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