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5305-00-068-6654

Find complete technical information, availability, and procurement data for: 5305-00-068-6654

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5305-00-068-6654
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-068-6654
Item Name Code
06673
Assigment Date
01/01/1961 (65 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

2a thread class, 1.000 inches nominal fastener length, right-hand thread direction, 1.000 inches maximum thread length, thumb no. 3 head style

Product Characteristics

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

Thread Class
2a
Thread Direction
right-hand
Thread Length
1.000 inches maximum
Fastener Length
1.000 inches nominal
Head Style
thumb no. 3
Head Height
0.562 inches minimum and 0.641 inches maximum
Width Between Flats
0.484 inches minimum and 0.625 inches maximum
Point Style
flat
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
20
Material
steel overall
Material Document And Classification
66 fed std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-809-0320 No Name Available 04/01/1986
5305-00-993-9432 No Name Available 08/29/1971

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
1704880 Thumbscrew
91745A542 Thumbscrew
MS21316-36 Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-00-068-6654?
The FSCG of the NSN 5305-00-068-6654 is 5305
Does the NSN 5305-00-068-6654 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-068-6654 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 5305-00-068-6654 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-068-6654 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 5305-00-068-6654 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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