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5305-00-577-5503

Find complete technical information, availability, and procurement data for: 5305-00-577-5503

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5305-00-577-5503
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-577-5503
Item Name Code
06657
Assigment Date
01/01/1963 (63 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

right-hand thread direction, pan head style, 0.291 inches minimum and 0.341 inches maximum thread length, 0.676 inches minimum and 0.706 inches maximum fastener length, 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
0.291 inches minimum and 0.341 inches maximum
Fastener Length
0.676 inches minimum and 0.706 inches maximum
Head Style
pan
Head Diameter
0.473 inches minimum and 0.492 inches maximum
Head Height
0.162 inches minimum and 0.175 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
28
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material
steel comp 4140 or steel comp e4340 or steel comp 8740
Screw Material Document And Classification
mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
qq-p-416 ty 2 cl 2 fed spec single treatment response
Thread Series Designator
unjf
Specification/Standard Data
80205-nas623 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-702-4010 No Name Available 06/01/1976

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
5305PL1035089 Machine Screw
NAS623-4-6 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-577-5503?
The FSCG of the NSN 5305-00-577-5503 is 5305
Does the NSN 5305-00-577-5503 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-577-5503 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 5305-00-577-5503 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-577-5503 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 5305-00-577-5503 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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