5305-01-145-9177

Find complete technical information, availability, and procurement data for: 5305-01-145-9177
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-145-9177

Item Name Code

22846

Assigment Date

01/21/1983 (43 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.

flat chamfer head style, right-hand thread direction, 2.200 inches nominal fastener length, 2a thread class, 0.600 inches nominal 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: 0.600 inches nominal
Fastener Length: 2.200 inches nominal
Head Style: flat chamfer
Head Diameter: 0.500 inches nominal
Head Height: 0.220 inches nominal
Shoulder Diameter: 0.313 inches minimum and 0.314 inches maximum first shoulder
Shoulder Length: 1.600 inches nominal first shoulder
Internal Drive Style: slot
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Shoulder Shape: round first shoulder
Material: steel corrosion resisting overall
Material Document And Classification: s143d fscm u1604 mfr ref single material response overall
Thread Series Designator: unc

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
MBEU73138	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-145-9177?

The FSCG of the NSN 5305-01-145-9177 is 5305

Does the NSN 5305-01-145-9177 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-145-9177 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 5305-01-145-9177 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-145-9177 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 5305-01-145-9177 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Jan 21, 1983