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5305-01-049-4059

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-049-4059
(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
10/19/1977 (48 years ago)

0.768 inches minimum and 0.798 inches maximum fastener length, right-hand thread direction, 0.320 inches minimum and 0.370 inches maximum thread length, flat countersunk head style, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.320 inches minimum and 0.370 inches maximum

Fastener Length

0.768 inches minimum and 0.798 inches maximum

Head Style

flat countersunk

Head Diameter

0.266 inches minimum and 0.305 inches maximum

Grip Diameter

0.1885 inches minimum and 0.1895 inches maximum

Internal Drive Style

high-torque

Nominal Thread Diameter

0.190 inches

Grip Length

0.428 inches minimum and 0.448 inches maximum

Thread Quantity Per Inch

32

Countersink Angle

100.0 degrees nominal

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Material

iron alloy 660 overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,type 2,clas 3 fed spec single treatment response overall

Thread Series Designator

unjf

Specification/Standard Data

81205-bacb30ll 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.

Source of Supply Code

S9I

Pseudo Item Name Code

0029294

Related Hardware Products

Part Number Description
BACB30FB3-7 Close Tolerance Screw
BACB30LL3-7 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-049-4059?
The FSCG of the NSN 5305-01-049-4059 is 5305
Does the NSN 5305-01-049-4059 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-049-4059 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 5305-01-049-4059 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-049-4059 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 5305-01-049-4059 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Wed, Oct 19, 1977