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4177205-021 Machine Screw

5305-00-059-7904

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Official Item Classification

Name
Machine Screw
Part Number
4177205-021
(NSN) National Stock Number
5305-00-059-7904
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06657
(FIIG) Federal Item Identification Guide
A500D0
Date
01/01/1963 (63 years ago)

right-hand thread direction, pan head style, 0.625 inches nominal thread length, 2a thread class, 0.625 inches nominal fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.625 inches nominal

Fastener Length

0.625 inches nominal

Head Style

pan

Head Diameter

0.306 inches minimum and 0.322 inches maximum

Head Height

0.105 inches minimum and 0.115 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.164 inches

Thread Quantity Per Inch

32

Screw Material

steel

Screw Surface Treatment

cadmium and chromate or zinc and chromate

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-206-6891 No Name Available 01/01/1963

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

0006657

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-059-7904?
The FSCG of the NSN 5305-00-059-7904 is 5305
Does the NSN 5305-00-059-7904 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-059-7904 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 5305-00-059-7904 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-059-7904 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 5305-00-059-7904 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963