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0S026449

View detailed technical data, stock status, and sourcing information for: 0S026449

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0S026449
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-770-8477
Item Name Code
06657
Assigment Date
01/01/1962 (64 years ago)

An item made of rigid or semirigid conductive material, usually employed in the distribution of heavy electrical current. It is cut to specific lengths and is shaped, drilled, tapped or otherwise terminated. It may be fabricated in any of various cross-sectional shapes and sizes and may include terminal lugs. It may be designed to connect two or more screw or stud terminations. Excludes:terminal strip, grounding.

fillister head style, 2a thread class, right-hand thread direction, 0.438 inches minimum and 0.500 inches maximum thread length, 0.500 inches nominal fastener 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
0.438 inches minimum and 0.500 inches maximum
Fastener Length
0.500 inches nominal
Head Style
fillister
Head Diameter
0.208 inches minimum and 0.226 inches maximum
Head Height
0.089 inches minimum and 0.096 inches maximum
Hole Diameter
0.046 inches nominal
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.138 inches
Hole Quantity
1
Thread Quantity Per Inch
32
Minimum Tensile Strength
80000 pounds per square inch
Screw Material
steel comp 302 or steel comp 303se or steel comp 304 or steel comp 316
Screw Material Document And Classification
66 fed std all material responses
Screw Surface Treatment
passivate
Head Hole Configuration Style
round
Special Features
requires environmental test in accordance w/special projects fleet ballistic missile plan op 2747
Thread Series Designator
unc
Departure From Cited Designator
as modified by special features

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
0S026449 Machine Screw
AN500AD6-8 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-770-8477?
The FSCG of the NSN 5305-00-770-8477 is 5305
Does the NSN 5305-00-770-8477 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-770-8477 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 5305-00-770-8477 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-770-8477 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 5305-00-770-8477 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

Professional Distribution

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