A33B16

View detailed technical data, stock status, and sourcing information for: A33B16
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-078-8845

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

0.242 inches minimum and 0.252 inches maximum head diameter, 0.500 inches minimum and 0.520 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 0.435 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 Direction: right-hand
Thread Length: 0.435 inches maximum
Fastener Length: 0.500 inches minimum and 0.520 inches maximum
Head Style: flat countersunk
Head Diameter: 0.242 inches minimum and 0.252 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 3.6 millimeters
Minimum Tensile Strength: 50000 pounds per square inch
Thread Pitch In Millimeters: 0.66
Countersink Angle: 88.0 degrees minimum and 92.0 degrees maximum
Screw Material: steel
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: dtd904 fscm k4787 mfr ref single treatment response
Thread Series Designator: ba

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
4BAA33B16	Machine Screw
A33B16	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-078-8845?

The FSCG of the NSN 5305-00-078-8845 is 5305

Does the NSN 5305-00-078-8845 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-078-8845 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 5305-00-078-8845 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-078-8845 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 5305-00-078-8845 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963