5305-01-280-8709

Find complete technical information, availability, and procurement data for: 5305-01-280-8709
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-280-8709

Item Name Code

29294

Assigment Date

06/14/1988 (38 years ago)

An externally threaded fastener having a square or hexagon head and with a continuous thread (wood screw type or fetter type) extending from a gimlet or cone point for a distance of slightly more than one-half the length of the screw.

3a thread class, 0.338 inches minimum and 0.388 inches maximum thread length, 1.223 inches minimum and 1.253 inches maximum fastener length, right-hand thread direction, flat countersunk undercut 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: 0.338 inches minimum and 0.388 inches maximum
Fastener Length: 1.223 inches minimum and 1.253 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.339 inches minimum and 0.381 inches maximum
Head Height: 0.044 inches minimum and 0.046 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: torque-set ribbed
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.865 inches minimum and 0.885 inches maximum
Features Provided: o ring and cetyl alcohol lubricant
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Part Name Assigned By Controlling Agency: navy special project
Special Features: o-ring inside dia 0.174 in. min,0.184 in. max; o-ring thickness 0.023 in. min,0.027 in. max
Material: rubber butadiene-acrylonitrile class nbr ring
Material: steel comp 8740 fastener
Material Document And Classification: ams6322 assn std single material response or mil-s-6049 mil spec single material response fastener
Material Document And Classification: mil-r-6855 cl1 gr 60 mil spec single material response ring
Surface Treatment: cadmium and chromate fastener
Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec single treatment response fastener
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
123463S3-14	Close Tolerance Screw
HR243E3-14	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-280-8709?

The FSCG of the NSN 5305-01-280-8709 is 5305

Does the NSN 5305-01-280-8709 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-280-8709 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 5305-01-280-8709 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-280-8709 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 5305-01-280-8709 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Jun 14, 1988