6405280 FIND 49

View detailed technical data, stock status, and sourcing information for: 6405280 FIND 49
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-949-6184

Item Name Code

22846

Assigment Date

04/20/1966 (60 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

0.860 inches minimum and 0.870 inches maximum fastener length, flat chamfer head style, 3a thread class, 0.355 inches minimum and 0.375 inches maximum thread length, right-hand thread direction

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: 0.355 inches minimum and 0.375 inches maximum
Fastener Length: 0.860 inches minimum and 0.870 inches maximum
Head Style: flat chamfer
Head Diameter: 0.357 inches minimum and 0.375 inches maximum
Head Height: 0.177 inches minimum and 0.187 inches maximum
Shoulder Diameter: 0.246 inches minimum and 0.248 inches maximum first shoulder
Shoulder Length: 0.495 inches minimum and 0.505 inches maximum first shoulder
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.125 inches nominal
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 140000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 43.0 rockwell c maximum overall
Shoulder Shape: round first shoulder
Material: steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator: unc

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
6405280 FIND 49	Shoulder Screw
91259A537	Shoulder Screw
MS16637-2	Shoulder Screw
MS51975-2	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-949-6184?

The FSCG of the NSN 5305-00-949-6184 is 5305

Does the NSN 5305-00-949-6184 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-949-6184 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 5305-00-949-6184 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-949-6184 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 5305-00-949-6184 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Apr 20, 1966