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5305-01-439-5688

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-439-5688
(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
12/12/1996 (29 years ago)

right-hand thread direction, flat countersunk head style, 0.345 inches nominal thread length, 3a thread class, 1.345 inches nominal fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.345 inches nominal

Fastener Length

1.345 inches nominal

Head Style

flat countersunk

Head Diameter

0.345 inches minimum and 0.352 inches maximum

Head Height

0.084 inches nominal

Grip Diameter

0.1890 inches minimum and 0.1895 inches maximum

Internal Drive Style

cross recess type ia

Nominal Thread Diameter

0.190 inches

Grip Length

1.000 inches nominal

Thread Quantity Per Inch

32

Countersink Angle

100.0 degrees nominal

Material

titanium overall

Material Document And Classification

nas4004,6al-4v assn std single material response overall

Thread Series Designator

unjf

Replacement For

Part Number Description
5305-01-440-4542 No Name Available 04/01/2002

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 5305-01-439-5688?
The FSCG of the NSN 5305-01-439-5688 is 5305
Does the NSN 5305-01-439-5688 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5305-01-439-5688 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 5305-01-439-5688 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-439-5688 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 5305-01-439-5688 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Thu, Dec 12, 1996