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5305-00-948-4131

Find complete technical information, availability, and procurement data for: 5305-00-948-4131

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5305-00-948-4131
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-948-4131
Item Name Code
06657
Assigment Date
04/06/1966 (60 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.

right-hand thread direction, 1.688 inches minimum and 1.750 inches maximum thread length, flat countersunk head style, 3a thread class, 1.750 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
3a
Thread Direction
right-hand
Thread Length
1.688 inches minimum and 1.750 inches maximum
Fastener Length
1.750 inches nominal
Head Style
flat countersunk
Head Diameter
0.322 inches minimum and 0.385 inches maximum
Internal Drive Style
torque set
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Screw Material
steel comp e4340 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp 4140 or steel comp 4037
Screw Material Document And Classification
mil-s-5000 mil spec 1st material response or mol-s-6049 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-8503 mil spec 4th material response or mil-s-5626 mil spec 5th material response or ams 6300 assn std 6th material response
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
qq-p-416,ty 2 cl 3 fed spec all treatment responses
Thread Series Designator
unf

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
NAS1102-3-28 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-948-4131?
The FSCG of the NSN 5305-00-948-4131 is 5305
Does the NSN 5305-00-948-4131 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-948-4131 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 5305-00-948-4131 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-948-4131 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 5305-00-948-4131 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Apr 6, 1966

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