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5305-01-381-0666

Externally Relieved Body Screw

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Official Item Classification

Name
Externally Relieved Body Screw
(NSN) National Stock Number
5305-01-381-0666
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
01852
(FIIG) Federal Item Identification Guide
A003B0
Date
10/06/1993 (33 years ago)

0.460 inches nominal thread length, hexagon extended washer head style, right-hand thread direction, 1.500 inches nominal fastener length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.460 inches nominal

Fastener Length

1.500 inches nominal

Head Style

hexagon extended washer

Head Height

0.150 inches minimum and 0.160 inches maximum

Width Between Flats

0.427 inches minimum and 0.439 inches maximum

Extended Washer Diameter

0.400 inches nominal

Extended Washer Thickness

0.020 inches minimum and 0.030 inches maximum

First Diameter From Head

0.198 inches minimum and 0.200 inches maximum

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.925 inches nominal

Internal Drive Style

w/o internal drive

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Externally Relieved Body Diameter Quantity

1

Material

steel comp 630 overall

Material Document And Classification

ams 5643 cond a assn std single material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unf

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

0001852

Related Hardware Products

Part Number Description
A320C032-101 Externally Relieved Body Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-381-0666?
The FSCG of the NSN 5305-01-381-0666 is 5305
Does the NSN 5305-01-381-0666 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-381-0666 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 5305-01-381-0666 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-381-0666 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 5305-01-381-0666 was assigned to the Federal Catalog?
It was assigned 33 years ago, on Wed, Oct 6, 1993