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H54893-4 Extended Washer Self-Locking Nut

5310-01-448-4014

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Official Item Classification

Name
Extended Washer Self-Locking Nut
Part Number
H54893-4
(NSN) National Stock Number
5310-01-448-4014
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
29730
(FIIG) Federal Item Identification Guide
A021A0
Date
08/27/1997 (29 years ago)

+0.2500 to 0.2800 inches thread pitch diameters, dry film lubricant lubrication, 0.430 inches nominal washer outside diameter, prevailing torque all metal design locking feature, right-hand thread direction

Specs & Compatibility

Thread Pitch Diameters

+0.2500 to 0.2800 inches

Thread Direction

right-hand

Locking Feature

prevailing torque all metal design

Washer Outside Diameter

0.430 inches nominal

Lubrication

dry film lubricant

Overall Height

0.308 inches minimum and 0.328 inches maximum

Nut Style

hexagon

Washer Thickness

0.052 inches nominal

End Item Identification

f100pw100

Width Across Flats

0.347 inches nominal

Temp Rating

825.0 fahrenheit minimum and 875.0 fahrenheit maximum

Thread Series

unjf

Thread Quantity Per Inch

28

Nominal Thread Size

0.250 inches

Material

nickel overall

Material Document And Classification

ams5708 assn std single material response overall

Surface Treatment

silver overall

Regulatory Compliance

Precious Metals Indicator
S

Item contains silver.

Criticality Code
F

The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

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

0029730

Related Hardware Products

Part Number Description
H54893-4 Extended Washer Self-Locking Nut
ST5074-10 Extended Washer Self-Locking Nut
VN4848 WA048 Extended Washer Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-448-4014?
The FSCG of the NSN 5310-01-448-4014 is 5310
Does the NSN 5310-01-448-4014 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5310-01-448-4014 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 5310-01-448-4014 contain precious materials?
Item contains silver.
Does NSN 5310-01-448-4014 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 5310-01-448-4014 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Wed, Aug 27, 1997