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F50863-4-2 Plate Self-Locking Nut

5310-01-233-8679

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Official Item Classification

Name
Plate Self-Locking Nut
Part Number
F50863-4-2
(NSN) National Stock Number
5310-01-233-8679
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
05280
(FIIG) Federal Item Identification Guide
A021A0
Date
06/04/1986 (40 years ago)

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

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque all metal design

Counterbore Diameter

0.254 inches minimum base

Lubrication

dry film lubricant

Mounting Hole Diameter

0.098 inches nominal

Nut Style

plate

Nut Length

1.038 inches maximum

Nut Height

0.327 inches maximum

Plate Thickness

0.030 inches maximum

Nut Counterbore Depth

0.125 inches minimum and 0.140 inches maximum base

Nut Mounting Provision

straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

0.495 inches minimum and 0.505 inches maximum

Thread Series

unjf

Features Provided

floating nut

Thread Quantity Per Inch

28

Nominal Thread Size

0.250 inches

Material

iron alloy 660 overall

Material Document And Classification

ams 5525 assn std single material response or ams 5735 assn std single material response or ams 5737 assn std single material response overall

Surface Treatment

passivate overall

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005280

Related Hardware Products

Part Number Description
F50863-4-2 Plate Self-Locking Nut
LE114-0105-0402 Plate Self-Locking Nut
NS103625-048-2E Plate Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-233-8679?
The FSCG of the NSN 5310-01-233-8679 is 5310
Does the NSN 5310-01-233-8679 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-233-8679 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 5310-01-233-8679 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-233-8679 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 5310-01-233-8679 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Wed, Jun 4, 1986