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5305-01-447-7008

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-447-7008
(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
08/13/1997 (29 years ago)

right-hand thread direction, 1.673 inches minimum and 1.703 inches maximum fastener length, 0.438 inches nominal thread length, 3a thread class, flat countersunk head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.438 inches nominal

Fastener Length

1.673 inches minimum and 1.703 inches maximum

Head Style

flat countersunk

Head Diameter

0.577 inches minimum

Grip Diameter

0.3110 inches minimum and 0.3120 inches maximum

Shank Unthreaded Hole Diameter

0.076 inches minimum and 0.086 inches maximum first hole

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.312 inches

Grip Length

1.240 inches minimum and 1.260 inches maximum

Thread Quantity Per Inch

24

Minimum Tensile Strength

18000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Distance From Head Largest Bearing Surface To Shank Hole Center

1.006 inches nominal first hole

Material

iron alloy 660 overall

Material Document And Classification

ams gaams5737 assn std single material response or ams 5731 assn std single material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unf

Specification/Standard Data

80205-nas2835 professional/industrial association standard

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

Related Hardware Products

Part Number Description
NAS2835C20DT Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-447-7008?
The FSCG of the NSN 5305-01-447-7008 is 5305
Does the NSN 5305-01-447-7008 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-447-7008 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 5305-01-447-7008 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-447-7008 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 5305-01-447-7008 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Wed, Aug 13, 1997