330C844A4020D24

View detailed technical data, stock status, and sourcing information for: 330C844A4020D24
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-988-7835

Item Name Code

16282

Assigment Date

01/01/1962 (64 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.

right-hand thread direction, 3a thread class, 1.000 inches minimum thread length, flat chamfer head style, 1.484 inches minimum and 1.531 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: 1.000 inches minimum
Fastener Length: 1.484 inches minimum and 1.531 inches maximum
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.187 inches minimum and 0.190 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum overall
Minimum Yield Strength: 30000 pounds per square inch
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 6 type

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-844-9151	No Name Available	01/01/1983

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
100A900045	Socket Head Cap Screw
2290200424	Socket Head Cap Screw
330C844A4020D24	Socket Head Cap Screw
485-3621-473	Socket Head Cap Screw
5305PL1336629	Socket Head Cap Screw
ASC1537090	Socket Head Cap Screw
MS16995-54	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-988-7835?

The FSCG of the NSN 5305-00-988-7835 is 5305

Does the NSN 5305-00-988-7835 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-988-7835 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 5305-00-988-7835 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-988-7835 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 5305-00-988-7835 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962