6504208

View detailed technical data, stock status, and sourcing information for: 6504208

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6504208
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-247-7604
Item Name Code
06657
Assigment Date
01/12/1987 (39 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

2.500 inches nominal fastener length, right-hand thread direction, 2a thread class, round head style, 2.438 inches minimum and 2.500 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
2.438 inches minimum and 2.500 inches maximum
Fastener Length
2.500 inches nominal
Head Style
round
Head Diameter
0.256 inches minimum and 0.270 inches maximum
Head Height
0.087 inches minimum and 0.097 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
80000 pounds per square inch
Screw Material
copper alloy 268 or copper alloy 260 or copper alloy 230 or copper alloy 377 or copper alloy 360 or copper alloy 353 or copper alloy 270 or copper alloy 274 or copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485 or copper alloy 510 or copper alloy 745 or copper alloy 752 or copper alloy 757 or copper alloy 764 or copper alloy 770 or copper alloy 240 or copper alloy 342
Screw Material Document And Classification
qq-b-613 fed spec 1st material response or qq-b-626 fed spec 2nd material response or qq-w-321 fed spec 3rd material response
Screw Surface Treatment
oxide
Screw Surface Treatment Document And Classification
mil-f-495 mil spec single treatment response
Color
black
Thread Series Designator
unc
Nondefinitive Spec/Std Data
1 type and 1s style

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
4047-1056 ITEM 20 Machine Screw
443-5940130 ITE Machine Screw
443-5940130 ITEM 20 Machine Screw
6504208 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-247-7604?
The FSCG of the NSN 5305-01-247-7604 is 5305
Does the NSN 5305-01-247-7604 have a Schedule B code assigned?
Yes, the Schedule B code is 7415338550
Does NSN 5305-01-247-7604 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 5305-01-247-7604 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-247-7604 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 5305-01-247-7604 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Mon, Jan 12, 1987

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