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5305-00-430-9120

Find complete technical information, availability, and procurement data for: 5305-00-430-9120

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5305-00-430-9120
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-430-9120
Item Name Code
06657
Assigment Date
05/08/1974 (52 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

0.250 inches maximum thread length, flat countersunk head style, 2a thread class, right-hand thread direction, 0.250 inches minimum 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
0.250 inches maximum
Fastener Length
0.250 inches minimum
Head Style
flat countersunk
Head Diameter
0.217 inches nominal
Internal Drive Style
slot
Nominal Thread Diameter
0.112 inches
Thread Quantity Per Inch
40
Countersink Angle
100.0 degrees nominal
Screw Material
plastic
Screw Material Document And Classification
zytel 101,fscm 3170 mfr ref single material response
Thread Series Designator
unc

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Part Number Name
109578-408 Machine Screw
945312 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-430-9120?
The FSCG of the NSN 5305-00-430-9120 is 5305
Does the NSN 5305-00-430-9120 have a Schedule B code assigned?
Yes, the Schedule B code is 3926909987
Does NSN 5305-00-430-9120 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 5305-00-430-9120 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-430-9120 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 5305-00-430-9120 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Wed, May 8, 1974

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