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5305-01-059-1954

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-059-1954
(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
04/08/1978 (48 years ago)

3a thread class, 2.142 inches minimum and 2.172 inches maximum fastener length, flat countersunk head style, 0.320 inches minimum and 0.370 inches maximum thread length, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.320 inches minimum and 0.370 inches maximum

Fastener Length

2.142 inches minimum and 2.172 inches maximum

Head Style

flat countersunk

Head Diameter

0.337 inches minimum and 0.383 inches maximum

Grip Diameter

0.1885 inches minimum and 0.1895 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.190 inches

Grip Length

1.802 inches minimum and 1.822 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

steel comp e4340 or steel comp 8740 overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

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

Thread Series Designator

unjf

Replacement For

Part Number Description
5305-00-655-7667 No Name Available 11/01/1986

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

0029294

Related Hardware Products

Part Number Description
BACB30LU3-29 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-059-1954?
The FSCG of the NSN 5305-01-059-1954 is 5305
Does the NSN 5305-01-059-1954 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-059-1954 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 5305-01-059-1954 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-059-1954 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 5305-01-059-1954 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Sat, Apr 8, 1978