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5305-01-497-0847

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-497-0847
(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
05/09/2002 (24 years ago)

0.8475 inches minimum and 0.8775 inches maximum fastener length, right-hand thread direction, 0.425 inches nominal thread length, flat countersunk head style, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.425 inches nominal

Fastener Length

0.8475 inches minimum and 0.8775 inches maximum

Head Style

flat countersunk

Head Diameter

0.470 inches minimum and 0.477 inches maximum

Spline Minor Diameter

0.1570 inches minimum and 0.1600 inches maximum

Spline Major Diameter

0.2195 inches minimum and 0.2225 inches maximum

Grip Diameter

0.2490 inches minimum and 0.2495 inches maximum

Point Style

flat

Internal Drive Style

torx

End Item Identification

f18 e/f

Nominal Thread Diameter

0.2500 inches

Grip Length

0.4275 inches minimum and 0.4475 inches maximum

Thread Quantity Per Inch

28

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Criticality Code Justification

agav

Part Name Assigned By Controlling Agency

bolt, 100 degree tension head, gear drive recess

Material

nickel alloy 718 overall

Material Document And Classification

ams5662 assn std single material response overall

Surface Treatment

passivate overall

Thread Series Designator

unjf

Replacement For

Part Number Description
5305-01-476-9187 No Name Available 12/01/2012

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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 5305-01-497-0847?
The FSCG of the NSN 5305-01-497-0847 is 5305
Does the NSN 5305-01-497-0847 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5305-01-497-0847 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 5305-01-497-0847 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-497-0847 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 5305-01-497-0847 was assigned to the Federal Catalog?
It was assigned 24 years ago, on Thu, May 9, 2002