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CS103 Externally Relieved Body Screw

5305-00-810-6621

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Official Item Classification

Name
Externally Relieved Body Screw
Part Number
CS103
(NSN) National Stock Number
5305-00-810-6621
(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
01/01/1963 (63 years ago)

knurled no. 1 head style, 0.978 inches nominal fastener length, right-hand thread direction, 0.250 inches minimum thread length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.250 inches minimum

Fastener Length

0.978 inches nominal

Head Style

knurled no. 1

Head Diameter

0.312 inches nominal

Head Height

0.334 inches nominal

First Diameter From Head

0.120 inches nominal

Second Diameter From Head

0.164 inches nominal

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

0.556 inches nominal

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

0.728 inches nominal

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.164 inches

Thread Quantity Per Inch

32

Externally Relieved Body Diameter Quantity

1

Material

steel corrosion resisting overall

Surface Treatment

passivate overall

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-791-7810 No Name Available 09/29/1969

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-810-6621?
The FSCG of the NSN 5305-00-810-6621 is 5305
Does the NSN 5305-00-810-6621 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-810-6621 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 5305-00-810-6621 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-810-6621 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 5305-00-810-6621 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963