5305-01-174-0519

Find complete technical information, availability, and procurement data for: 5305-01-174-0519
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-174-0519

Item Name Code

06673

Assigment Date

03/14/1984 (42 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.

1.059 inches nominal fastener length, thumb no. 6 head style, 3a thread class, right-hand thread direction, 0.487 inches nominal 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: 0.487 inches nominal
Fastener Length: 1.059 inches nominal
Head Style: thumb no. 6
Head Height: 0.625 inches nominal
Width Between Flats: 0.076 inches minimum and 0.079 inches maximum
Shoulder Diameter: 0.247 inches minimum and 0.249 inches maximum first shoulder
Shoulder Length: 0.150 inches minimum and 0.290 inches maximum first shoulder
Point Style: pointless
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Shoulder Shape: round first shoulder
Special Features: 0.112 dia hole for plug at threaded end,0.035 in. to 0.045 in. wide by 0.024 in. to 0.034 in. deep spline 3 places,spaced 120 degrees apart
Material: steel comp 302b or steel comp 303 or steel comp 303 plus x or steel comp 303se or steel comp 303cu or steel comp 303ma or steel comp 304 or steel comp 304l top of head
Material: steel comp 8740 or steel comp 4140 fastener
Material Document And Classification: mil-s-6049 mil spec single material response or mil-s-5626 mil spec single material response fastener
Surface Treatment: cadmium and chromate fastener
Surface Treatment: passivate top of head
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response top of head
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 mil spec single treatment response fastener
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
CA21166-4-2	Thumbscrew
FIT7833-4-2	Thumbscrew
GS522Y4-2	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-01-174-0519?

The FSCG of the NSN 5305-01-174-0519 is 5305

Does the NSN 5305-01-174-0519 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-174-0519 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 5305-01-174-0519 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-174-0519 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 5305-01-174-0519 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Mar 14, 1984