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5305-01-161-2578

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-161-2578
(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
09/03/1983 (43 years ago)

0.219 inches minimum and 0.250 inches maximum fastener length, 0.157 inches minimum and 0.250 inches maximum thread length, pan head style, right-hand thread direction, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.157 inches minimum and 0.250 inches maximum

Fastener Length

0.219 inches minimum and 0.250 inches maximum

Head Style

pan

Head Diameter

0.270 inches nominal

Head Height

0.082 inches nominal

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.138 inches

Thread Quantity Per Inch

32

Screw Material

steel corrosion resisting

Screw Surface Treatment

passivate

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

0006657

Related Hardware Products

Part Number Description
385401 Machine Screw
6-32X1/4S/S PAN HEAD Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-161-2578?
The FSCG of the NSN 5305-01-161-2578 is 5305
Does the NSN 5305-01-161-2578 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-161-2578 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 5305-01-161-2578 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-161-2578 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 5305-01-161-2578 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Sat, Sep 3, 1983