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N153P21020 Machine Screw

5305-00-059-8507

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Official Item Classification

Name
Machine Screw
Part Number
N153P21020
(NSN) National Stock Number
5305-00-059-8507
(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)

1.250 inches nominal fastener length, 1.250 inches maximum thread length, right-hand thread direction, 2a thread class, pan head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.250 inches maximum

Fastener Length

1.250 inches nominal

Head Style

pan

Head Diameter

0.473 inches minimum and 0.492 inches maximum

Head Height

0.162 inches minimum and 0.175 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

20

Screw Material

steel

Screw Surface Treatment

passivate

Thread Series Designator

unc

Nondefinitive Spec/Std Data

3 type and 9c style

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

Related Hardware Products

Part Number Description
343-0271-000 Machine Screw
8914388-25 Machine Screw
MS35216-74 Machine Screw
N153P21020 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-059-8507?
The FSCG of the NSN 5305-00-059-8507 is 5305
Does the NSN 5305-00-059-8507 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-059-8507 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 5305-00-059-8507 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-059-8507 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 5305-00-059-8507 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963