G18421-2-4-12

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-389-9350

Item Name Code

01864

Assigment Date

04/12/1974 (52 years ago)

An item composed of a specially designed channel and a series of nuts having integral self-locking features assembled in predetermined spacing.

dry film lubricant lubrication, right-hand thread direction, prevailing torque all metal design locking feature, 0.254 inches minimum nut counterbore diameter, 3b thread class

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Counterbore Diameter: 0.254 inches minimum nut
Lubrication: dry film lubricant
Overall Length: 72.000 inches nominal
Overall Width: 0.552 inches maximum
Nut Style: gang channel, self locking
Removable Nut Manufacturer Code: 76301
Channel Style: straight type
Assembly Overall Height: 0.341 inches maximum
Channel Height: 0.298 inches maximum
Nut Spacing: 1.500 inches nominal
Nut Counterbore Depth: 0.125 inches minimum nut
Removable Nut Manufacturer Part Number: st3m445c4m2
Nut Quantity: 48
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: iron alloy 660 nut
Material Document And Classification: ams 5510 assn std single material response channel
Material Document And Classification: ams 5525 assn std single material response or ams 5732 assn std single material response nut
Surface Treatment: passivate and paint lusterless channel
Surface Treatment: nickel and copper alloy nut
Surface Treatment Document And Classification: qq-p-35 fed spec 1st treatment response and mil-p-85582, ty 1, cl 2 mil spec 2nd treatment response channel
Specification/Standard Data: 76301-st3-464 manufacturers standard

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
10121349	Gang C Self-Locking Nut Assembly
3M464C12A48-2P	Gang C Self-Locking Nut Assembly
BGC464C12-2P	Gang C Self-Locking Nut Assembly
BGC464C2-12	Gang C Self-Locking Nut Assembly
BGC464C2-12-48P	Gang C Self-Locking Nut Assembly
C17084-2-12	Gang C Self-Locking Nut Assembly
C170SC4-2-12	Gang C Self-Locking Nut Assembly
C170SC4-2-12-48	Gang C Self-Locking Nut Assembly
G18421-2-4-12	Gang C Self-Locking Nut Assembly
G18421L2-4-12	Gang C Self-Locking Nut Assembly
G49250E4-2-12	Gang C Self-Locking Nut Assembly
G49250E4-2-12-48P	Gang C Self-Locking Nut Assembly
G49250E4-2-12P	Gang C Self-Locking Nut Assembly
ST3M464C12A48-2	Gang C Self-Locking Nut Assembly
ST3M464C12A48-2P	Gang C Self-Locking Nut Assembly

FAQs

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

What is the FSCG of the NSN 5310-00-389-9350?

The FSCG of the NSN 5310-00-389-9350 is 5310

Does the NSN 5310-00-389-9350 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-389-9350 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 5310-00-389-9350 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-389-9350 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 5310-00-389-9350 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Apr 12, 1974