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5305-00-527-4418

Find complete technical information, availability, and procurement data for: 5305-00-527-4418

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5305-00-527-4418
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-527-4418
Item Name Code
06657
Assigment Date
01/01/1963 (63 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

2a thread class, round head style, 1.750 inches minimum thread length, 3.000 inches nominal fastener length, right-hand thread direction

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
1.750 inches minimum
Fastener Length
3.000 inches nominal
Head Style
round
Head Diameter
0.240 inches minimum and 0.260 inches maximum
Head Height
0.103 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
55000 pounds per square inch
Screw Material
steel or steel comp 1010
Screw Material Document And Classification
qq-s-630 fed spec 2nd material response or qq-s-631 fed spec 2nd material response or qq-s-634 fed spec 2nd material response
Screw Surface Treatment
cadmium
Screw Surface Treatment Document And Classification
qq-p-416,ty 1,cl 3 fed spec single treatment response
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-276-1964 No Name Available 01/01/1963
5305-00-558-6212 No Name Available 01/01/1963
5305-00-754-4248 No Name Available 05/23/1967

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
AN515-6-48 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-527-4418?
The FSCG of the NSN 5305-00-527-4418 is 5305
Does the NSN 5305-00-527-4418 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-527-4418 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 5305-00-527-4418 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-527-4418 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 5305-00-527-4418 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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