L3-3

View detailed technical data, stock status, and sourcing information for: L3-3

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L3-3
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5340 Commercial Hardware
National Stock Number
5340-00-787-8674
Item Name Code
40268
Assigment Date
01/01/1962 (64 years ago)

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

0.390 inches nominal outside diameter, 0.250 inches nominal shank diameter, 0.320 inches nominal width, 2a thread class, 0.112 inches nominal hole diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a
Hole Diameter
0.112 inches nominal
Shank Diameter
0.250 inches nominal
Width
0.320 inches nominal
Outside Diameter
0.390 inches nominal
Length
0.385 inches minimum and 0.390 inches maximum
Effective Height
0.062 inches nominal
Nominal Thread Size
0.112 inches
Height
0.625 inches nominal
Material
steel comp 1012 or plastic polyhexamethylene amide
Material Document And Classification
aisi assn std 1st material response or mil-m-20693,comp a,type 1 mil spec 2nd material response
Style Designator
round or round w/one flat side
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5340-00-323-1855 No Name Available 05/01/1982
5340-00-861-5784 No Name Available 08/03/1970
5340-01-258-6170 No Name Available 01/01/1992

Related Parts

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10018643-001 Synchro Clamp
10345741 Synchro Clamp
106064-337 Synchro Clamp
11732805 Synchro Clamp
134283-008 Synchro Clamp
918337-2 Synchro Clamp
9191780 Synchro Clamp
993905-01 Synchro Clamp
F115-8 Synchro Clamp
L3-3 Synchro Clamp
SQ-8 Synchro Clamp

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5340-00-787-8674?
The FSCG of the NSN 5340-00-787-8674 is 5340
Does the NSN 5340-00-787-8674 have a Schedule B code assigned?
Yes, the Schedule B code is 8205700090
Does NSN 5340-00-787-8674 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 5340-00-787-8674 contain precious materials?
Item does not contain precious metal.
Does NSN 5340-00-787-8674 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
When the NSN 5340-00-787-8674 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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