21-FAF518

View detailed technical data, stock status, and sourcing information for: 21-FAF518

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21-FAF518
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-462-4651
Item Name Code
05277
Assigment Date
05/16/1969 (57 years ago)

hexagon nut style, soluble lubricant lubrication, prevailing torque all metal design locking feature, right-hand thread direction, 2b 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
2b
Thread Direction
right-hand
Locking Feature
prevailing torque all metal design
Lubrication
soluble lubricant
Nut Style
hexagon
Nut Height
0.353 inches maximum
Width Across Flats
0.492 inches minimum and 0.502 inches maximum
Thread Series
unc
Thread Quantity Per Inch
18
Nominal Thread Size
0.312 inches
Bearing Surface Type
chamfered
Material
steel overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416,ty 1,cl 3 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-01-050-3833 No Name Available 04/01/1990
5310-01-386-7603 No Name Available 10/01/2000

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
21-FAF518 Hexagon Self-Locking Nut
21FAF518 Hexagon Self-Locking Nut
5310PL0725858 Hexagon Self-Locking Nut
70200004-05 Hexagon Self-Locking Nut
80008ADX Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-462-4651?
The FSCG of the NSN 5310-00-462-4651 is 5310
Does the NSN 5310-00-462-4651 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-462-4651 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 5310-00-462-4651 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-462-4651 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 5310-00-462-4651 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Fri, May 16, 1969

Professional Distribution

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