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5305-01-351-9190

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-351-9190
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
29294
(FIIG) Federal Item Identification Guide
A003B0
Date
01/17/1992 (34 years ago)

0.425 inches nominal thread length, right-hand thread direction, 3a thread class, flat countersunk head style, 1.221 inches minimum and 1.268 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.425 inches nominal

Fastener Length

1.221 inches minimum and 1.268 inches maximum

Head Style

flat countersunk

Head Diameter

0.464 inches minimum and 0.507 inches maximum

Grip Diameter

0.2490 inches minimum and 0.2495 inches maximum

Internal Drive Style

torque-set ribbed

Nominal Thread Diameter

0.250 inches

Grip Length

0.802 inches minimum and 0.822 inches maximum

Thread Quantity Per Inch

28

Minimum Tensile Strength

220000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Part Name Assigned By Controlling Agency

navy special project

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

0029294

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Frequently Asked Questions

What is the FSCG of the NSN 5305-01-351-9190?
The FSCG of the NSN 5305-01-351-9190 is 5305
Does NSN 5305-01-351-9190 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 5305-01-351-9190 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-351-9190 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 5305-01-351-9190 was assigned to the Federal Catalog?
It was assigned 34 years ago, on Fri, Jan 17, 1992