5305-00-357-1878

Find complete technical information, availability, and procurement data for: 5305-00-357-1878
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-357-1878

Item Name Code

29294

Assigment Date

02/08/1974 (52 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.

1.016 inches minimum and 1.046 inches maximum fastener length, 0.444 inches minimum and 0.494 inches maximum thread length, right-hand thread direction, 3a thread class, oval countersunk head style

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: 0.444 inches minimum and 0.494 inches maximum
Fastener Length: 1.016 inches minimum and 1.046 inches maximum
Head Style: oval countersunk
Head Diameter: 0.389 inches minimum and 0.394 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.552 inches minimum and 0.572 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: titanium alloy overall
Material Document And Classification: ams 4928 assn std single material response or ams 4967 assn std single material 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
11909V4L9-1	Close Tolerance Screw
HT4028L4-9	Close Tolerance Screw
ST3M466V4L9-1	Close Tolerance Screw
WC4028L4-9	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-357-1878?

The FSCG of the NSN 5305-00-357-1878 is 5305

Does the NSN 5305-00-357-1878 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-00-357-1878 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 5305-00-357-1878 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-357-1878 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 5305-00-357-1878 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Feb 8, 1974