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5305-00-088-9666

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-088-9666
(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
01/01/1961 (65 years ago)

0.625 inches nominal fastener length, 0.563 inches minimum and 0.625 inches maximum thread length, right-hand thread direction, 2a thread class, flat countersunk head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.563 inches minimum and 0.625 inches maximum

Fastener Length

0.625 inches nominal

Head Style

flat countersunk

Head Diameter

0.285 inches minimum and 0.332 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.164 inches

Thread Quantity Per Inch

32

Minimum Tensile Strength

80000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

steel comp 302 or steel comp 303 or steel comp 304

Screw Material Document And Classification

66 fed std all material responses

Screw Surface Treatment

passivate

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-174-3881 No Name Available 02/01/1998
5305-00-889-3137 No Name Available 11/01/1982

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 5305-00-088-9666?
The FSCG of the NSN 5305-00-088-9666 is 5305
Does the NSN 5305-00-088-9666 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-088-9666 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 5305-00-088-9666 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-088-9666 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 5305-00-088-9666 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961