5305-01-145-6956

Find complete technical information, availability, and procurement data for: 5305-01-145-6956
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-145-6956

Item Name Code

16282

Assigment Date

01/17/1983 (43 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.468 inches minimum and 0.500 inches maximum fastener length, 3a thread class, 0.296 inches minimum and 0.331 inches maximum thread length, flat countersunk undercut head style, 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: 3a
Thread Direction: right-hand
Thread Length: 0.296 inches minimum and 0.331 inches maximum
Fastener Length: 0.468 inches minimum and 0.500 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.153 inches minimum and 0.157 inches maximum
Head Height: 0.109 inches minimum and 0.112 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.078 inches minimum and 0.079 inches maximum
Thread Quantity Per Inch: 40
Countersink Angle: 20.0 degrees nominal
Part Name Assigned By Controlling Agency: navy special project
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall
Precious Material And Location: bearing surface and top of head silver
Precious Material: silver
Surface Treatment: passivate overall
Surface Treatment: silver bearing surface of head
Surface Treatment: silver top of head
Surface Treatment Document And Classification: ams 2410 assn std single treatment response or qq-s-365 type 1 or type 2 fed spec single treatment response bearing surface of head
Surface Treatment Document And Classification: ams 2410 assn std single treatment response or qq-s-365 type 1 or type 2 fed spec single treatment response top of head
Surface Treatment Document And Classification: qq-p-35 type 1 or type 2 or type 3 fed spec single treatment 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
81601-303	Socket Head Cap Screw
965807-303	Socket Head Cap Screw
A0L4160-303	Socket Head Cap Screw
AIC209S-303	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-145-6956?

The FSCG of the NSN 5305-01-145-6956 is 5305

Does the NSN 5305-01-145-6956 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-145-6956 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 5305-01-145-6956 contain precious materials?

Item contains silver.

Does NSN 5305-01-145-6956 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 5305-01-145-6956 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Mon, Jan 17, 1983