LKS-440-2EF

Clinch Self-Locking Nut

This page provides complete and verified information for part number LKS-440-2EF, NSN 5310-00-053-1366

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.

LKS-440-2EF
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-053-1366
Item Name Code
15892
Assigment Date
01/01/1963 (63 years ago)

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

prevailing torque all metal design locking feature, 0.185 inches maximum pilot diameter, 3b thread class, 0.054 inches maximum pilot length, right-hand thread direction

Characteristics

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

Thread Class
3b
Thread Direction
right-hand
Locking Feature
prevailing torque all metal design
Pilot Diameter
0.185 inches maximum
Pilot Length
0.054 inches maximum
Lubrication
dry film lubricant
Nut Style
clinch
Nut Height
0.189 inches nominal
Width Across Flats
0.250 inches nominal
Temp Rating
450.0 fahrenheit nominal
Thread Series
unc
Thread Quantity Per Inch
40
Hardness Rating
70.0 rockwell c minimum
Nominal Thread Size
0.112 inches
Material
steel comp 303 overall
Material Document And Classification
66 fed std single material response 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

Classification Data

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

Type of Item Identification
1 - Full descriptive 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
A021A0
Precious Metals Indicator
U - Precious metal content is unknown
Pseudo Item Name Code
0015892
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
7318160000

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
093486
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
48950
National Motor Freight Class Rating
W - Rating variable
Water Commodity
573 - Bolts or nuts (iron or steel),(less than 35 feet)
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
bolts,nuts or screws, noi (sub 3)

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for LKS-440-2EF

What is the FSCG of the NSN 5310-00-053-1366?
The FSCG of the NSN 5310-00-053-1366 is 5310
Does the NSN 5310-00-053-1366 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-053-1366 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 5310-00-053-1366 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-053-1366 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 5310-00-053-1366 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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