5305-00-990-0668

Find complete technical information, availability, and procurement data for: 5305-00-990-0668
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-990-0668

Item Name Code

16282

Assigment Date

01/01/1960 (66 years ago)

3a thread class, right-hand thread direction, 0.891 inches minimum thread length, 1.000 inches nominal fastener length, flat chamfer 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: 3a
Thread Direction: right-hand
Thread Length: 0.891 inches minimum
Fastener Length: 1.000 inches nominal
Head Style: flat chamfer
Head Diameter: 0.550 inches minimum and 0.563 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Internal Drive Style: hexagon
End Item Identification: medium mine protected vehicle - mmpv
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches minimum and 0.316 inches maximum
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum overall
Minimum Yield Strength: 30000 pounds per square inch
Special Features: head periphery may be knurled at manufacturers option
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-273-5580	No Name Available	02/13/1967
5305-00-844-4405	No Name Available	11/05/1969
5305-01-284-0846	No Name Available	09/01/1992

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
003-007868-081	Socket Head Cap Screw
200005PL FIND NO33	Socket Head Cap Screw
5305PL1334802	Socket Head Cap Screw
92196A624	Socket Head Cap Screw
ASC1536916	Socket Head Cap Screw
D320448 FIND NO 102	Socket Head Cap Screw
NASM16995	Socket Head Cap Screw
WG134612	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-990-0668?

The FSCG of the NSN 5305-00-990-0668 is 5305

Does the NSN 5305-00-990-0668 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-990-0668 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 5305-00-990-0668 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-990-0668 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 5305-00-990-0668 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960