330C889A4020D28

View detailed technical data, stock status, and sourcing information for: 330C889A4020D28
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-616-6370

Item Name Code

18257

Assigment Date

01/01/1961 (65 years ago)

2a thread class, 0.750 inches minimum and 0.938 inches maximum thread length, hexagon head style, right-hand thread direction, 1.750 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.750 inches minimum and 0.938 inches maximum
Fastener Length: 1.750 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
End Item Identification: mrap buffalo mk2a2; mrap - cougar ambulance; multiple launch rocket system (mlrs)
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 80000 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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-622-9241	No Name Available	05/01/1989
5305-00-637-0666	No Name Available	11/01/1982
5305-00-806-6349	No Name Available	01/01/1960

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
0419-394	Hexagon Head Cap Screw
0740781	Hexagon Head Cap Screw
1/4 INCH-2OUNC-2AX1 3/4 INCH	Hexagon Head Cap Screw
245572	Hexagon Head Cap Screw
3176210-A-508	Hexagon Head Cap Screw
330C889A4020D28	Hexagon Head Cap Screw
495150-399	Hexagon Head Cap Screw
5305PL0811042	Hexagon Head Cap Screw
645A560H11	Hexagon Head Cap Screw
801625-551-003 PC NO 27A	Hexagon Head Cap Screw
801625-551-003 PC NO 28A	Hexagon Head Cap Screw
HEXCAP1-4-20UNC2AX1-3-4	Hexagon Head Cap Screw
MS35307-313	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-616-6370?

The FSCG of the NSN 5305-00-616-6370 is 5305

Does the NSN 5305-00-616-6370 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-616-6370 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 5305-00-616-6370 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-616-6370 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 5305-00-616-6370 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961