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NAS720B6-6

View detailed technical data, stock status, and sourcing information for: NAS720B6-6

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NAS720B6-6
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-608-7789
Item Name Code
06660
Assigment Date
01/30/1975 (51 years ago)

A single metallic conductor of solid, stranded, or tinsel construction, designed to carry current in an electrical circuit. It may be a bare or insulated, may have metalic covering sheath, shield or and additional jacket. Refers to bulk quantities only. For items that are solid or stranded, insulated or uninsulated, and have the chemical composition specified but no conductivity (electrical properties) see wire,(as modified), includes litz wire and insulated/uninsulated armored, and ground wire. Excludes:braid, wire; fuse wire; resistance wire and magnet wire.

pan no. 2 head style, right-hand thread direction, 0.343 inches minimum and 0.375 inches maximum fastener length, 2a thread class, 0.252 inches minimum and 0.282 inches maximum 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
2a
Thread Direction
right-hand
Thread Length
0.252 inches minimum and 0.282 inches maximum
Fastener Length
0.343 inches minimum and 0.375 inches maximum
Head Style
pan no. 2
Head Diameter
0.256 inches minimum and 0.270 inches maximum
Head Height
0.072 inches minimum and 0.082 inches maximum
Washer Quantity
2
Internal Drive Style
slot
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
55000 pounds per square inch
Secondary Washer Relationship To Primary Washer
not identical
Secondary Washer Style
flat
Primary Washer Outside Diameter
0.253 inches maximum
Secondary Washer Outside Diameter
0.263 inches maximum
Primary Washer Style
split helical ring
Primary Washer Material Thickness
0.093 inches maximum
Secondary Washer Material Thickness
0.019 inches maximum
Material
copper alloy overall
Material Document And Classification
qq-b-613 fed spec single material response or qq-b-626 fed spec single material response or qq-w-321 fed spec single material response overall
Surface Treatment
tin overall
Thread Series Designator
unc
Specification/Standard Data
80205-nas720 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
NAS720B6-6 Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-608-7789?
The FSCG of the NSN 5305-00-608-7789 is 5305
Does the NSN 5305-00-608-7789 have a Schedule B code assigned?
Yes, the Schedule B code is 7415338550
Does NSN 5305-00-608-7789 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 5305-00-608-7789 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-608-7789 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 5305-00-608-7789 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Thu, Jan 30, 1975

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