5305-01-448-0666

Find complete technical information, availability, and procurement data for: 5305-01-448-0666
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-448-0666

Item Name Code

29294

Assigment Date

08/20/1997 (28 years ago)

A metal loop having either a v or u cross section or channelled segment(s). It may be attached to a flat band. It is designed to create a fluid tight joint and/or connect pipe, tubing, tank cover(s), duct(s) and the like, by mating with flanged or beaded ferrule(s), flared, or beaded ends. It may or may not have a sealing inner liner. A latch or latches of the quick coupling type, nut or bolt type, or threaded trunnion type is (are) used to lock and adjust the band. Excludes:coupling, clamp, pipe and ring, locking, metal drum cover.

flat countersunk head style, 0.338 inches minimum and 0.388 inches maximum thread length, 1.536 inches minimum and 1.566 inches maximum fastener length, right-hand thread direction, 3a thread class

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: 1.536 inches minimum and 1.566 inches maximum
Head Style: flat countersunk
Head Diameter: 0.339 inches minimum and 0.381 inches maximum
Grip Diameter: 0.2197 inches minimum and 0.2207 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.178 inches minimum and 1.198 inches maximum
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 grip
Surface Finish: 32.0 microinches threads
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 6150 or steel comp 8735 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1580 professional/industrial association standard

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
NAS1580A3T19Y	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-448-0666?

The FSCG of the NSN 5305-01-448-0666 is 5305

Does the NSN 5305-01-448-0666 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-448-0666 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 5305-01-448-0666 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-448-0666 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 5305-01-448-0666 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Wed, Aug 20, 1997