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5305-01-255-4947

Externally Relieved Body Screw

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Official Item Classification

Name
Externally Relieved Body Screw
(NSN) National Stock Number
5305-01-255-4947
(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
05/21/1987 (39 years ago)

0.655 inches nominal fastener length, right-hand thread direction, flat chamfer head style, 0.218 inches nominal thread length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.218 inches nominal

Fastener Length

0.655 inches nominal

Head Style

flat chamfer

Head Diameter

0.280 inches nominal

Head Height

0.120 inches nominal

First Diameter From Head

0.090 inches minimum and 0.095 inches maximum

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

0.437 inches minimum and 0.442 inches maximum

Internal Drive Style

slot

Nominal Thread Diameter

0.138 inches

Thread Quantity Per Inch

32

Externally Relieved Body Diameter Quantity

1

Material

steel comp 303 overall

Material Document And Classification

astm a582 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

unc

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
A3045896 Externally Relieved Body Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-255-4947?
The FSCG of the NSN 5305-01-255-4947 is 5305
Does the NSN 5305-01-255-4947 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-255-4947 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 5305-01-255-4947 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-255-4947 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 5305-01-255-4947 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Thu, May 21, 1987