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5305-01-445-6449

Find complete technical information, availability, and procurement data for: 5305-01-445-6449

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5305-01-445-6449
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-445-6449
Item Name Code
29294
Assigment Date
06/09/1997 (29 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

0.265 inches minimum and 0.272 inches maximum head diameter, 3a thread class, flat countersunk undercut head style, right-hand thread direction, 0.438 inches nominal thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.438 inches nominal
Head Style
flat countersunk undercut
Head Diameter
0.265 inches minimum and 0.272 inches maximum
Head Height
0.049 inches nominal
Grip Diameter
0.1890 inches minimum and 0.1895 inches maximum
Nominal Thread Diameter
0.1900 inches
Thread Quantity Per Inch
32
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Material
steel comp xm-13 overall
Surface Treatment
passivate overall
Thread Series Designator
unjf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
10113820 Close Tolerance Screw
HP1024D3-2-5A Close Tolerance Screw
TX1024D3-2-5A Close Tolerance Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-445-6449?
The FSCG of the NSN 5305-01-445-6449 is 5305
Does the NSN 5305-01-445-6449 have a Schedule B code assigned?
Yes, the Schedule B code is 7318230000
Does NSN 5305-01-445-6449 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 5305-01-445-6449 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-445-6449 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 5305-01-445-6449 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Mon, Jun 9, 1997

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