BACB30NT3R17

View detailed technical data, stock status, and sourcing information for: BACB30NT3R17
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-338-7311

Item Name Code

29294

Assigment Date

05/10/1991 (35 years ago)

A hardened, externally-threaded fastener with a self-drilling point. It drills, taps and fastens and may have a machine screw thread or a nonmachine screw thread. The threads usually extend from behind the pilot to the bearing surface of the head.

0.345 inches nominal thread length, pan head style, 3a thread class, right-hand thread direction, 1.392 inches minimum and 1.422 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.345 inches nominal
Fastener Length: 1.392 inches minimum and 1.422 inches maximum
Head Style: pan
Head Diameter: 0.357 inches minimum and 0.373 inches maximum
Head Height: 0.122 inches minimum and 0.133 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.052 inches minimum and 1.072 inches maximum
Thread Quantity Per Inch: 32
Surface Finish: 32.0 microinches bearing surface of head
Part Name Assigned By Controlling Agency: navy special project
Special Features: surface treatment contains fluoride
Color: red threads
Material: titanium alloy uns r56400 overall
Material Document And Classification: ams 4928 assn std single material response or ams 4967 assn std single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: bac 5861,cagec 81205 mfr ref single treatment response overall
Thread Series Designator: unf

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
BACB30NT3R17	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-338-7311?

The FSCG of the NSN 5305-01-338-7311 is 5305

Does the NSN 5305-01-338-7311 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-01-338-7311 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 5305-01-338-7311 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-338-7311 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 5305-01-338-7311 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, May 10, 1991