5305-01-312-0243

Find complete technical information, availability, and procurement data for: 5305-01-312-0243
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-312-0243

Item Name Code

29294

Assigment Date

12/08/1989 (36 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

flat countersunk head style, 3a thread class, right-hand thread direction, 1.688 inches minimum and 1.718 inches maximum fastener length, 0.553 inches minimum and 0.603 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.553 inches minimum and 0.603 inches maximum
Fastener Length: 1.688 inches minimum and 1.718 inches maximum
Head Style: flat countersunk
Head Diameter: 0.708 inches minimum and 0.765 inches maximum
Grip Diameter: 0.3735 inches minimum and 0.3747 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.375 inches
Grip Length: 1.115 inches minimum and 1.135 inches maximum
Features Provided: dry film lubricant
Thread Quantity Per Inch: 24
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: navy special project
Special Features: dry film lubricant per mil-l-46010
Color: red threads
Material Document And Classification: ams 4928 assn std single material response or ams 4967 assn std single material response overall

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
BACB30MS6S18	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-312-0243?

The FSCG of the NSN 5305-01-312-0243 is 5305

Does the NSN 5305-01-312-0243 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-01-312-0243 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 5305-01-312-0243 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-312-0243 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 5305-01-312-0243 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Fri, Dec 8, 1989